| Staines-upon-Thames to Montevarchi | 783.35 mi (1,260.68 km) |
| Staines-upon-Thames to Monticello Conte Otto | 683.34 mi (1,099.72 km) |
| Staines-upon-Thames to Montichiari | 649.04 mi (1,044.53 km) |
| Staines-upon-Thames to Montignoso | 712.00 mi (1,145.86 km) |
| Staines-upon-Thames to Montopoli in Val d'Arno | 749.25 mi (1,205.79 km) |
| Staines-upon-Thames to Monza | 602.40 mi (969.46 km) |
| Staines-upon-Thames to Morbegno | 586.16 mi (943.33 km) |
| Staines-upon-Thames to Mori | 650.11 mi (1,046.26 km) |
| Staines-upon-Thames to Morlupo | 886.94 mi (1,427.39 km) |
| Staines-upon-Thames to Morrovalle | 863.11 mi (1,389.04 km) |
| Staines-upon-Thames to Mortara | 601.99 mi (968.81 km) |
| Staines-upon-Thames to Mosciano Sant'Angelo | 901.81 mi (1,451.33 km) |
| Staines-upon-Thames to Motta di Livenza | 713.85 mi (1,148.83 km) |
| Staines-upon-Thames to Motta Sant'Anastasia | 1,223.27 mi (1,968.66 km) |
| Staines-upon-Thames to Mottola | 1,119.53 mi (1,801.71 km) |
