| Porthcawl to Montevarchi | 896.54 mi (1,442.84 km) |
| Porthcawl to Monticello Conte Otto | 805.94 mi (1,297.03 km) |
| Porthcawl to Montichiari | 767.45 mi (1,235.09 km) |
| Porthcawl to Montignoso | 822.49 mi (1,323.68 km) |
| Porthcawl to Montopoli in Val d'Arno | 860.21 mi (1,384.38 km) |
| Porthcawl to Monza | 717.94 mi (1,155.41 km) |
| Porthcawl to Morbegno | 705.80 mi (1,135.88 km) |
| Porthcawl to Mori | 772.35 mi (1,242.98 km) |
| Porthcawl to Morlupo | 997.39 mi (1,605.15 km) |
| Porthcawl to Morrovalle | 981.35 mi (1,579.34 km) |
| Porthcawl to Mortara | 713.53 mi (1,148.32 km) |
| Porthcawl to Mosciano Sant'Angelo | 1,018.72 mi (1,639.48 km) |
| Porthcawl to Motta di Livenza | 839.49 mi (1,351.03 km) |
| Porthcawl to Motta Sant'Anastasia | 1,326.10 mi (2,134.16 km) |
| Porthcawl to Mottola | 1,237.28 mi (1,991.20 km) |
