| Williamsport to Missouri City (Texas) | 1,312.92 mi (2,112.93 km) |
| Williamsport to Mitchell (South Dakota) | 1,080.59 mi (1,739.04 km) |
| Williamsport to Mitchellville (Maryland) | 159.63 mi (256.90 km) |
| Williamsport to Moberly (Missouri) | 819.72 mi (1,319.21 km) |
| Williamsport to Mobile (Alabama) | 955.63 mi (1,537.94 km) |
| Williamsport to Modesto (California) | 2,334.20 mi (3,756.52 km) |
| Williamsport to Mokena (Illinois) | 561.98 mi (904.42 km) |
| Williamsport to Moline (Illinois) | 697.26 mi (1,122.13 km) |
| Williamsport to Moncks Corner (South Carolina) | 580.79 mi (934.69 km) |
| Williamsport to Monfort Heights (Ohio) | 423.82 mi (682.07 km) |
| Williamsport to Monmouth (Oregon) | 2,314.13 mi (3,724.23 km) |
| Williamsport to Monroe (Georgia) | 630.64 mi (1,014.92 km) |
| Williamsport to Monroe (Louisiana) | 1,024.24 mi (1,648.35 km) |
| Williamsport to Monroe (Michigan) | 331.32 mi (533.21 km) |
| Williamsport to Monroe (North Carolina) | 471.23 mi (758.37 km) |
