| Williamsport to Mendota (California) | 2,323.56 mi (3,739.40 km) |
| Williamsport to Mendota Heights (Minnesota) | 849.29 mi (1,366.79 km) |
| Williamsport to Menifee (California) | 2,241.66 mi (3,607.60 km) |
| Williamsport to Menlo Park (California) | 2,398.06 mi (3,859.30 km) |
| Williamsport to Menomonee Falls (Wisconsin) | 582.11 mi (936.82 km) |
| Williamsport to Menomonie (Wisconsin) | 790.53 mi (1,272.24 km) |
| Williamsport to Mentor (Ohio) | 224.73 mi (361.66 km) |
| Williamsport to Mequon (Wisconsin) | 576.23 mi (927.35 km) |
| Williamsport to Merced (California) | 2,315.17 mi (3,725.90 km) |
| Williamsport to Mercedes (Texas) | 1,581.83 mi (2,545.71 km) |
| Williamsport to Mercer Island (Washington) | 2,240.45 mi (3,605.65 km) |
| Williamsport to Mercerville (New Jersey) | 141.01 mi (226.94 km) |
| Williamsport to Meriden (Connecticut) | 220.85 mi (355.42 km) |
| Williamsport to Meridian (Idaho) | 1,995.30 mi (3,211.12 km) |
| Williamsport to Meridian (Mississippi) | 887.18 mi (1,427.79 km) |
