| Rock Hill to Morris (Illinois) | 599.10 mi (964.15 km) |
| Rock Hill to Morristown (New Jersey) | 539.27 mi (867.87 km) |
| Rock Hill to Morristown (Tennessee) | 154.83 mi (249.17 km) |
| Rock Hill to Morrisville (North Carolina) | 137.96 mi (222.02 km) |
| Rock Hill to Morro Bay (California) | 2,234.39 mi (3,595.90 km) |
| Rock Hill to Morton (Illinois) | 604.60 mi (973.01 km) |
| Rock Hill to Morton Grove (Illinois) | 611.54 mi (984.19 km) |
| Rock Hill to Moscow (Idaho) | 2,027.06 mi (3,262.23 km) |
| Rock Hill to Moses Lake (Washington) | 2,137.62 mi (3,440.17 km) |
| Rock Hill to Moss Bluff (Louisiana) | 777.16 mi (1,250.72 km) |
| Rock Hill to Moss Point (Mississippi) | 536.28 mi (863.06 km) |
| Rock Hill to Moultrie (Georgia) | 305.91 mi (492.31 km) |
| Rock Hill to Mounds View (Minnesota) | 951.22 mi (1,530.84 km) |
| Rock Hill to Mount Airy (North Carolina) | 110.65 mi (178.08 km) |
| Rock Hill to Mount Clemens (Michigan) | 538.34 mi (866.37 km) |
