| Wallingford to Melzo | 639.23 mi (1,028.75 km) |
| Wallingford to Mendicino | 1,190.72 mi (1,916.29 km) |
| Wallingford to Menfi | 1,185.16 mi (1,907.33 km) |
| Wallingford to Mentana | 925.88 mi (1,490.06 km) |
| Wallingford to Merano | 650.21 mi (1,046.41 km) |
| Wallingford to Merate | 630.11 mi (1,014.06 km) |
| Wallingford to Mercato San Severino | 1,061.58 mi (1,708.44 km) |
| Wallingford to Mercogliano | 1,053.38 mi (1,695.26 km) |
| Wallingford to Mesagne | 1,178.54 mi (1,896.68 km) |
| Wallingford to Messina | 1,228.76 mi (1,977.50 km) |
| Wallingford to Mestre | 741.01 mi (1,192.54 km) |
| Wallingford to Mestrino | 725.31 mi (1,167.28 km) |
| Wallingford to Milan | 633.14 mi (1,018.95 km) |
| Wallingford to Milazzo | 1,217.44 mi (1,959.28 km) |
| Wallingford to Minerbio | 753.45 mi (1,212.57 km) |
