| Staines-upon-Thames to Marasesti | 1,313.95 mi (2,114.59 km) |
| Staines-upon-Thames to Marghita | 1,060.52 mi (1,706.74 km) |
| Staines-upon-Thames to Marginea | 1,198.37 mi (1,928.60 km) |
| Staines-upon-Thames to Matca | 1,327.89 mi (2,137.03 km) |
| Staines-upon-Thames to Medgidia | 1,412.49 mi (2,273.19 km) |
| Staines-upon-Thames to Media | 1,182.37 mi (1,902.85 km) |
| Staines-upon-Thames to Miercurea-Ciuc | 1,237.95 mi (1,992.29 km) |
| Staines-upon-Thames to Mioveni | 1,246.93 mi (2,006.74 km) |
| Staines-upon-Thames to Mizil | 1,309.06 mi (2,106.72 km) |
| Staines-upon-Thames to Moinesti | 1,264.94 mi (2,035.72 km) |
| Staines-upon-Thames to Moisei | 1,146.82 mi (1,845.64 km) |
| Staines-upon-Thames to Moldova Noua | 1,118.19 mi (1,799.56 km) |
| Staines-upon-Thames to Moreni | 1,275.92 mi (2,053.40 km) |
| Staines-upon-Thames to Motru | 1,169.48 mi (1,882.10 km) |
| Staines-upon-Thames to Murfatlar | 1,421.46 mi (2,287.61 km) |
