State Route 385 is an east–west state highway in the western portion of Ohio. The western terminus of State Route 385 is at U.S. Route 33 in New Hampshire, at a signalized intersection that doubles as the southern terminus of State Route 196. State Route 385's eastern terminus is at State Route 117 in the unincorporated community of Roundhead, less than two blocks northwest of State Route 117's junction with State Route 235.
State Route 300 is a 6.33-mile (10.19 km) long north–south state highway in northwestern Ohio, a U.S. state. The southern terminus of SR 300 is at a T-intersection with U.S. Route 6 (US 6) approximately 1.50 miles (2.41 km) west of the village of Helena. Its northern terminus is at US 20 just over 2.50 miles (4.02 km) southeast of Woodville.
State Route 728 is a short east–west state highway situated in south-central Ohio. At a length of just under 2 miles (3.2 km), the state highway is a spur route that provides access to the Southern Ohio Correctional Facility. The western terminus of SR 728 is at a signalized intersection with U.S. Route 23 (US 23) in Lucasville that doubles as the eastern terminus of SR 348. Its eastern terminus is just east of the Southern Ohio Correctional Facility, at the intersection of Lucasville-Minford Road and Lang Lane (CR 180).
State Route 101 (SR 101) is a southwest-northeast state highway in the north central portion of the U.S. state of Ohio. Its western terminus is at the junction of SR 18 and SR 53 in Tiffin; it runs concurrently with SR 18 for about one mile (1.6 km). Its eastern terminus is at the junction of U.S. Route 6 (US 6) and SR 4 in Sandusky; it runs concurrently with US 6 for just over one and a half miles (2.4 km) to its western terminus.
State Route 671 is an east-west state highway in the southern portion of Ohio. Existing entirely within Vinton County, the western terminus of this short connector route is at SR 327 three miles (4.8 km) northeast of the hamlet of Londonderry. Its eastern terminus is at U.S. Route 50 (US 50) in the unincorporated community of Ratcliffburg.
State Route 510 is a north–south state highway in the northern portion of Ohio. The entirety of SR 510 lies within Sandusky County. Its southern terminus is at SR 101 in Clyde, and its northern terminus is at U.S. Route 6 (US 6) between Fremont and Sandusky.
State Route 745 (SR 745) is a state route in central Ohio that runs in a north-northwesterly direction along the west bank of the Scioto River. Its southern terminus is at the concurrency of U.S. Route 33 (US 33) and SR 161 in Dublin, and it runs for approximately ten miles (16 km) to Concord Township in Delaware County, where it arrives at its northern terminus at the concurrency of US 42 and SR 257. SR 745 was designated in 1937, and its routing has not changed since.
State Route 515 is a north-south state highway located in east-central Ohio. Existing entirely within the northeastern portion of Holmes County in Ohio's Amish Country, SR 515 has its southern terminus at a signalized intersection with SR 39 in the unincorporated community of Walnut Creek. Its northern terminus is at a T-intersection with U.S. Route 62 (US 62) one mile (1.6 km) southwest of the hamlet of Winesburg.
State Route 130 (SR 130) is a short east–west state route in southwestern Ohio. The entirety of SR 130 lies within Butler County. SR 130 has its western terminus at a signalized intersection with U.S. Route 27 (US 27) in McGonigle. Its eastern terminus is also at a signalized intersection, this time at SR 177 in the extreme northwestern corner of Hamilton. For its entire length, SR 130 is alternately known as Old Oxford Road.
State Route 605 is a 9.38-mile-long (15.10 km) north–south state highway in central Ohio. The southern terminus of SR 605 is at a signalized intersection with U.S. Route 62 in the northeastern Columbus suburb of New Albany. Its northern terminus is also at SR 37, a signalized intersection approximately 3 miles (4.8 km) southeast of Sunbury. The route was designated in 1937, and the northern terminus was moved in 1994.
State Route 257 is a 26.19-mile (42.15 km) north - south state highway in the central portion of the U.S. state of Ohio. The highway's southern terminus is in the northwestern Columbus suburb of Dublin at a roundabout intersection with U.S. Route 33 and SR 161. This mainly two-lane highway follows the eastern side of the Scioto River from Dublin to its junction with US 42. After crossing over the river with the U.S. highway, SR 257 parallels the river's western bank. SR 257 has its northern terminus at a T-intersection with SR 47 on the western village limits of Prospect. SR 257 was created in 1926, and extended in 1935 and 1937.
State Route 768 is a 1.7-mile (2.7 km) long north–south state highway in the central portion of the U.S. state of Ohio. The highway runs from its southern terminus at a signalized intersection with U.S. Route 36 (US 36) in the eastern portion of the city of Mount Vernon to its northern terminus at SR 3 approximately 1.25 miles (2.01 km) north of the Mount Vernon city limits.
State Route 181 (SR 181) is a 4.46-mile (7.18 km) long east–west state highway in the northern portion of the U.S. state of Ohio. The western terminus of SR 181 is at a signalized intersection with SR 61 in downtown Crestline, and its eastern terminus is at a T-intersection with SR 309 approximately one mile (1.6 km) west of Ontario.
State Route 762 is an east–west state highway in central Ohio, a U.S. state. The highway has its western terminus at a signalized intersection with the concurrency of U.S. Route 62 and SR 3 just 0.25 miles (0.40 km) south of the village limits of Harrisburg. SR 762's eastern terminus is at an intersection of Pickaway County Route 385 near the Rickenbacker International Airport.
State Route 625 is a state route in northeastern Ohio that exists entirely within Mahoning County. The southern terminus of SR 625 is at U.S. Route 224 (US 224) near Boardman, and its northern terminus is at US 62 in the southwestern portion of Youngstown. SR 625 is currently signed north–south, but in the past was signed east–west.
State Route 111 (SR 111) is a 31.49-mile (50.68 km) state route that runs between the Indiana state line and Defiance in the US state of Ohio. Most of the route is a rural two-lane highway and passes through both farmland and residential properties. For some of its path, SR 111 runs generally parallel to the north of the Auglaize River.
U.S. Route 30 (US 30) is a United States Numbered Highway that runs from Astoria, Oregon, to Atlantic City, New Jersey. In the US state of Ohio, it is a major, 245-mile-long (394 km), east–west highway that runs through the northern section of Ohio. Overall, the highway runs through rural areas of the state dominated by farm fields or woodlands; some segments are urban in character in the Mansfield and Canton areas.
State Route 310 (SR 310) is a north–south state route in the central portion of Ohio. The highway extends 13.99 miles (22.51 km) from its southern terminus at SR 204 south of the hamlet of Etna to the northern terminus at SR 37 approximately two miles (3.2 km) southeast of Johnstown.
State Route 282 is a north–south state highway in northeastern Ohio, a U.S. state. The southern terminus of SR 282 is at a T-intersection with SR 305 near the hamlet of Nelson. Its northern terminus is also at a T-intersection, this time with the four-lane divided U.S. Route 422 (US 422) approximately two miles (3.2 km) southeast of Parkman. SR 282 primarily serves as an access route for Nelson Kennedy Ledges State Park. For its duration, the highway is also known as Nelson Ledge Road.
State Route 547 is an east–west state highway in north central Ohio, a U.S. state. The highway's western terminus is at SR 269 approximately four and a half miles (7.2 km) south of Bellevue. The eastern terminus of SR 547 is at the concurrency of U.S. Route 20 (US 20) and SR 18 in downtown Monroeville.
