| Pottstown to Mancha Real | 3,759.42 mi (6,050.20 km) |
| Pottstown to Manilva | 3,722.89 mi (5,991.41 km) |
| Pottstown to Manises | 3,858.79 mi (6,210.13 km) |
| Pottstown to Manlleu | 3,908.36 mi (6,289.91 km) |
| Pottstown to Manresa | 3,895.90 mi (6,269.85 km) |
| Pottstown to Manzanares | 3,733.81 mi (6,008.99 km) |
| Pottstown to Manzanares el Real | 3,659.11 mi (5,888.77 km) |
| Pottstown to Maracena | 3,776.77 mi (6,078.13 km) |
| Pottstown to Marbella | 3,736.82 mi (6,013.83 km) |
| Pottstown to Marchena | 3,685.09 mi (5,930.57 km) |
| Pottstown to Marin | 3,383.89 mi (5,445.85 km) |
| Pottstown to Marratxi | 4,005.02 mi (6,445.45 km) |
| Pottstown to Martorell | 3,908.39 mi (6,289.94 km) |
| Pottstown to Martos | 3,744.30 mi (6,025.87 km) |
| Pottstown to Masamagrell | 3,861.78 mi (6,214.93 km) |
