| South River to Morris (Illinois) | 735.74 mi (1,184.06 km) |
| South River to Morristown (New Jersey) | 24.81 mi (39.93 km) |
| South River to Morristown (Tennessee) | 565.02 mi (909.32 km) |
| South River to Morrisville (North Carolina) | 399.93 mi (643.62 km) |
| South River to Morro Bay (California) | 2,528.18 mi (4,068.71 km) |
| South River to Morton (Illinois) | 791.50 mi (1,273.80 km) |
| South River to Morton Grove (Illinois) | 704.64 mi (1,134.00 km) |
| South River to Moscow (Idaho) | 2,149.27 mi (3,458.92 km) |
| South River to Moses Lake (Washington) | 2,254.24 mi (3,627.84 km) |
| South River to Moss Bluff (Louisiana) | 1,266.96 mi (2,038.97 km) |
| South River to Moss Point (Mississippi) | 1,053.02 mi (1,694.68 km) |
| South River to Moultrie (Georgia) | 828.82 mi (1,333.86 km) |
| South River to Mounds View (Minnesota) | 1,005.01 mi (1,617.40 km) |
| South River to Mount Airy (North Carolina) | 433.19 mi (697.14 km) |
| South River to Mount Clemens (Michigan) | 464.11 mi (746.91 km) |
