| Thornton Heath to Manerbio | 627.18 mi (1,009.35 km) |
| Thornton Heath to Manfredonia | 1,013.83 mi (1,631.60 km) |
| Thornton Heath to Maniago | 685.35 mi (1,102.97 km) |
| Thornton Heath to Mantova | 660.07 mi (1,062.29 km) |
| Thornton Heath to Maranello | 693.56 mi (1,116.18 km) |
| Thornton Heath to Marano di Napoli | 993.72 mi (1,599.24 km) |
| Thornton Heath to Marano Vicentino | 657.38 mi (1,057.95 km) |
| Thornton Heath to Marcianise | 990.32 mi (1,593.76 km) |
| Thornton Heath to Marcon | 695.76 mi (1,119.71 km) |
| Thornton Heath to Mareno di Piave | 685.19 mi (1,102.70 km) |
| Thornton Heath to Margherita di Savoia | 1,035.55 mi (1,666.56 km) |
| Thornton Heath to Mariano Comense | 578.60 mi (931.17 km) |
| Thornton Heath to Marigliano | 1,000.61 mi (1,610.32 km) |
| Thornton Heath to Marino | 898.05 mi (1,445.28 km) |
| Thornton Heath to Marostica | 663.45 mi (1,067.72 km) |
