| Riviera Beach to Montevarchi | 5,046.36 mi (8,121.33 km) |
| Riviera Beach to Monticello Conte Otto | 4,996.14 mi (8,040.51 km) |
| Riviera Beach to Montichiari | 4,946.35 mi (7,960.39 km) |
| Riviera Beach to Montignoso | 4,968.96 mi (7,996.77 km) |
| Riviera Beach to Montopoli in Val d'Arno | 5,004.62 mi (8,054.16 km) |
| Riviera Beach to Monza | 4,891.44 mi (7,872.01 km) |
| Riviera Beach to Morbegno | 4,892.38 mi (7,873.52 km) |
| Riviera Beach to Mori | 4,963.01 mi (7,987.19 km) |
| Riviera Beach to Morlupo | 5,125.59 mi (8,248.84 km) |
| Riviera Beach to Morrovalle | 5,145.63 mi (8,281.09 km) |
| Riviera Beach to Mortara | 4,874.90 mi (7,845.39 km) |
| Riviera Beach to Mosciano Sant'Angelo | 5,174.63 mi (8,327.77 km) |
| Riviera Beach to Motta di Livenza | 5,037.99 mi (8,107.86 km) |
| Riviera Beach to Motta Sant'Anastasia | 5,372.45 mi (8,646.12 km) |
| Riviera Beach to Mottola | 5,382.43 mi (8,662.18 km) |
