| Serpa to Montevarchi | 1,072.09 mi (1,725.36 km) |
| Serpa to Monticello Conte Otto | 1,117.05 mi (1,797.72 km) |
| Serpa to Montichiari | 1,058.82 mi (1,704.00 km) |
| Serpa to Montignoso | 1,014.46 mi (1,632.61 km) |
| Serpa to Montopoli in Val d'Arno | 1,035.05 mi (1,665.75 km) |
| Serpa to Monza | 1,014.12 mi (1,632.07 km) |
| Serpa to Morbegno | 1,043.48 mi (1,679.31 km) |
| Serpa to Mori | 1,096.86 mi (1,765.22 km) |
| Serpa to Morlupo | 1,099.32 mi (1,769.18 km) |
| Serpa to Morrovalle | 1,167.29 mi (1,878.57 km) |
| Serpa to Mortara | 981.31 mi (1,579.27 km) |
| Serpa to Mosciano Sant'Angelo | 1,175.24 mi (1,891.36 km) |
| Serpa to Motta di Livenza | 1,167.70 mi (1,879.23 km) |
| Serpa to Motta Sant'Anastasia | 1,230.61 mi (1,980.48 km) |
| Serpa to Mottola | 1,325.83 mi (2,133.71 km) |
