| Keystone to Montevarchi | 5,102.21 mi (8,211.22 km) |
| Keystone to Monticello Conte Otto | 5,045.93 mi (8,120.64 km) |
| Keystone to Montichiari | 4,997.66 mi (8,042.95 km) |
| Keystone to Montignoso | 5,024.58 mi (8,086.28 km) |
| Keystone to Montopoli in Val d'Arno | 5,060.77 mi (8,144.53 km) |
| Keystone to Monza | 4,943.13 mi (7,955.20 km) |
| Keystone to Morbegno | 4,942.19 mi (7,953.69 km) |
| Keystone to Mori | 5,012.55 mi (8,066.92 km) |
| Keystone to Morlupo | 5,184.58 mi (8,343.78 km) |
| Keystone to Morrovalle | 5,200.30 mi (8,369.08 km) |
| Keystone to Mortara | 4,927.99 mi (7,930.84 km) |
| Keystone to Mosciano Sant'Angelo | 5,230.64 mi (8,417.91 km) |
| Keystone to Motta di Livenza | 5,086.39 mi (8,185.76 km) |
| Keystone to Motta Sant'Anastasia | 5,441.87 mi (8,757.84 km) |
| Keystone to Mottola | 5,441.25 mi (8,756.85 km) |
