| Chepstow to Manerbio | 727.55 mi (1,170.88 km) |
| Chepstow to Manfredonia | 1,115.29 mi (1,794.89 km) |
| Chepstow to Maniago | 792.63 mi (1,275.61 km) |
| Chepstow to Mantova | 761.22 mi (1,225.07 km) |
| Chepstow to Maranello | 792.78 mi (1,275.85 km) |
| Chepstow to Marano di Napoli | 1,090.21 mi (1,754.53 km) |
| Chepstow to Marano Vicentino | 761.55 mi (1,225.59 km) |
| Chepstow to Marcianise | 1,087.38 mi (1,749.97 km) |
| Chepstow to Marcon | 800.91 mi (1,288.94 km) |
| Chepstow to Mareno di Piave | 791.19 mi (1,273.29 km) |
| Chepstow to Margherita di Savoia | 1,136.84 mi (1,829.56 km) |
| Chepstow to Mariano Comense | 677.82 mi (1,090.85 km) |
| Chepstow to Marigliano | 1,097.75 mi (1,766.66 km) |
| Chepstow to Marino | 993.25 mi (1,598.49 km) |
| Chepstow to Marostica | 768.13 mi (1,236.19 km) |
