| Porthcawl to Massarosa | 835.65 mi (1,344.85 km) |
| Porthcawl to Matelica | 962.51 mi (1,549.01 km) |
| Porthcawl to Matera | 1,219.43 mi (1,962.48 km) |
| Porthcawl to Matino | 1,307.69 mi (2,104.52 km) |
| Porthcawl to Mazzarino | 1,312.06 mi (2,111.56 km) |
| Porthcawl to Meda | 710.31 mi (1,143.13 km) |
| Porthcawl to Medesano | 787.10 mi (1,266.71 km) |
| Porthcawl to Medicina | 855.19 mi (1,376.29 km) |
| Porthcawl to Meldola | 886.53 mi (1,426.73 km) |
| Porthcawl to Melegnano | 729.73 mi (1,174.38 km) |
| Porthcawl to Melendugno | 1,304.04 mi (2,098.65 km) |
| Porthcawl to Melfi | 1,167.93 mi (1,879.60 km) |
| Porthcawl to Melilli | 1,348.53 mi (2,170.24 km) |
| Porthcawl to Melito di Napoli | 1,120.45 mi (1,803.19 km) |
| Porthcawl to Melito di Porto Salvo | 1,331.04 mi (2,142.10 km) |
