| Montesson to Rivarolo Canavese | 359.85 mi (579.12 km) |
| Montesson to Rivoli | 366.38 mi (589.64 km) |
| Montesson to Rocca di Papa | 710.73 mi (1,143.81 km) |
| Montesson to Rocca Priora | 711.63 mi (1,145.25 km) |
| Montesson to Roccapiemonte | 831.46 mi (1,338.10 km) |
| Montesson to Roccastrada | 594.03 mi (956.00 km) |
| Montesson to Romano di Lombardia | 426.51 mi (686.40 km) |
| Montesson to Rome | 696.16 mi (1,120.36 km) |
| Montesson to Roncade | 529.91 mi (852.80 km) |
| Montesson to Ronchi dei Legionari | 571.35 mi (919.50 km) |
| Montesson to Ronciglione | 666.73 mi (1,073.00 km) |
| Montesson to Rosa | 501.11 mi (806.46 km) |
| Montesson to Rosarno | 994.98 mi (1,601.26 km) |
| Montesson to Rosignano Marittimo | 550.15 mi (885.39 km) |
| Montesson to Rosolini | 1,054.45 mi (1,696.97 km) |
