| Williamsport to Masanasa | 3,899.84 mi (6,276.19 km) |
| Williamsport to Masquefa | 3,933.15 mi (6,329.79 km) |
| Williamsport to Matadepera | 3,939.46 mi (6,339.95 km) |
| Williamsport to Mazarron | 3,917.11 mi (6,303.98 km) |
| Williamsport to Meco | 3,725.85 mi (5,996.17 km) |
| Williamsport to Medina del Campo | 3,628.59 mi (5,839.65 km) |
| Williamsport to Medina Sidonia | 3,732.51 mi (6,006.89 km) |
| Williamsport to Mejorada del Campo | 3,727.94 mi (5,999.54 km) |
| Williamsport to Meliana | 3,898.24 mi (6,273.61 km) |
| Williamsport to Mengibar | 3,785.37 mi (6,091.97 km) |
| Williamsport to Merida | 3,634.46 mi (5,849.10 km) |
| Williamsport to Miajadas | 3,639.50 mi (5,857.21 km) |
| Williamsport to Mieres | 3,532.28 mi (5,684.65 km) |
| Williamsport to Miguelturra | 3,746.38 mi (6,029.21 km) |
| Williamsport to Mijas | 3,790.64 mi (6,100.45 km) |
