| Chepstow to Marsala | 1,205.40 mi (1,939.91 km) |
| Chepstow to Marsciano | 923.31 mi (1,485.93 km) |
| Chepstow to Martano | 1,273.30 mi (2,049.18 km) |
| Chepstow to Martellago | 795.76 mi (1,280.65 km) |
| Chepstow to Martina Franca | 1,212.99 mi (1,952.12 km) |
| Chepstow to Martinengo | 704.94 mi (1,134.49 km) |
| Chepstow to Martinsicuro | 981.76 mi (1,580.00 km) |
| Chepstow to Mascali | 1,293.85 mi (2,082.25 km) |
| Chepstow to Mascalucia | 1,299.24 mi (2,090.92 km) |
| Chepstow to Masera di Padova | 794.41 mi (1,278.47 km) |
| Chepstow to Maserada sul Piave | 793.51 mi (1,277.03 km) |
| Chepstow to Massa | 791.21 mi (1,273.32 km) |
| Chepstow to Massa Lombarda | 831.21 mi (1,337.71 km) |
| Chepstow to Massafra | 1,210.79 mi (1,948.57 km) |
| Chepstow to Massalubrense | 1,110.68 mi (1,787.47 km) |
