| Williamstown to Morris (Illinois) | 715.21 mi (1,151.03 km) |
| Williamstown to Morristown (New Jersey) | 81.08 mi (130.48 km) |
| Williamstown to Morristown (Tennessee) | 513.01 mi (825.61 km) |
| Williamstown to Morrisville (North Carolina) | 339.26 mi (545.99 km) |
| Williamstown to Morro Bay (California) | 2,503.74 mi (4,029.38 km) |
| Williamstown to Morton (Illinois) | 766.95 mi (1,234.29 km) |
| Williamstown to Morton Grove (Illinois) | 688.13 mi (1,107.44 km) |
| Williamstown to Moscow (Idaho) | 2,144.34 mi (3,450.98 km) |
| Williamstown to Moses Lake (Washington) | 2,250.30 mi (3,621.52 km) |
| Williamstown to Moss Bluff (Louisiana) | 1,214.81 mi (1,955.04 km) |
| Williamstown to Moss Point (Mississippi) | 996.45 mi (1,603.64 km) |
| Williamstown to Moultrie (Georgia) | 768.74 mi (1,237.18 km) |
| Williamstown to Mounds View (Minnesota) | 999.88 mi (1,609.16 km) |
| Williamstown to Mount Airy (North Carolina) | 376.95 mi (606.64 km) |
| Williamstown to Mount Clemens (Michigan) | 457.51 mi (736.29 km) |
