| Williamsport to Morris (Illinois) | 590.98 mi (951.09 km) |
| Williamsport to Morristown (New Jersey) | 136.91 mi (220.33 km) |
| Williamsport to Morristown (Tennessee) | 484.54 mi (779.79 km) |
| Williamsport to Morrisville (North Carolina) | 385.73 mi (620.77 km) |
| Williamsport to Morro Bay (California) | 2,384.19 mi (3,836.98 km) |
| Williamsport to Morton (Illinois) | 649.77 mi (1,045.70 km) |
| Williamsport to Morton Grove (Illinois) | 557.57 mi (897.32 km) |
| Williamsport to Moscow (Idaho) | 2,000.19 mi (3,218.99 km) |
| Williamsport to Moses Lake (Washington) | 2,105.35 mi (3,388.23 km) |
| Williamsport to Moss Bluff (Louisiana) | 1,176.51 mi (1,893.41 km) |
| Williamsport to Moss Point (Mississippi) | 984.49 mi (1,584.38 km) |
| Williamsport to Moultrie (Georgia) | 790.63 mi (1,272.39 km) |
| Williamsport to Mounds View (Minnesota) | 855.76 mi (1,377.22 km) |
| Williamsport to Mount Airy (North Carolina) | 379.29 mi (610.41 km) |
| Williamsport to Mount Clemens (Michigan) | 314.73 mi (506.51 km) |
