| London Colney to Marasesti | 1,307.25 mi (2,103.82 km) |
| London Colney to Marghita | 1,054.01 mi (1,696.27 km) |
| London Colney to Marginea | 1,190.10 mi (1,915.28 km) |
| London Colney to Matca | 1,321.11 mi (2,126.12 km) |
| London Colney to Medgidia | 1,406.97 mi (2,264.29 km) |
| London Colney to Media | 1,176.50 mi (1,893.39 km) |
| London Colney to Miercurea-Ciuc | 1,231.28 mi (1,981.56 km) |
| London Colney to Mioveni | 1,242.10 mi (1,998.96 km) |
| London Colney to Mizil | 1,303.54 mi (2,097.85 km) |
| London Colney to Moinesti | 1,257.94 mi (2,024.47 km) |
| London Colney to Moisei | 1,139.15 mi (1,833.28 km) |
| London Colney to Moldova Noua | 1,115.21 mi (1,794.75 km) |
| London Colney to Moreni | 1,270.76 mi (2,045.09 km) |
| London Colney to Motru | 1,165.73 mi (1,876.06 km) |
| London Colney to Murfatlar | 1,415.94 mi (2,278.74 km) |
