The following highways are numbered 790:
| Preceded by 789 | Lists of highways 790 | Succeeded by 791 |
State Route 790 is an east–west state highway in southeastern Ohio, a U.S. state. Traversing the Wayne National Forest for its duration, SR 790's western terminus is at SR 775 in the unincorporated community of Lecta. Its eastern terminus is at SR 218 about 1 mile (1.6 km) north of the hamlet of Mercerville.
State Route 6 (SR 6) is a state highway that is unsigned. It travels through the central part of the U.S. state of Tennessee from Lawrence County to Sumner County. The highway is related to the following U.S. Highways:
State Route 106 is a north–south state highway in Middle Tennessee. The highway is a secret, or hidden, designation for the following highways:
