| Houilles to Rivarolo Canavese | 359.29 mi (578.23 km) |
| Houilles to Rivoli | 365.95 mi (588.93 km) |
| Houilles to Rocca di Papa | 710.13 mi (1,142.84 km) |
| Houilles to Rocca Priora | 711.01 mi (1,144.27 km) |
| Houilles to Roccapiemonte | 830.78 mi (1,337.01 km) |
| Houilles to Roccastrada | 593.43 mi (955.03 km) |
| Houilles to Romano di Lombardia | 425.57 mi (684.88 km) |
| Houilles to Rome | 695.56 mi (1,119.40 km) |
| Houilles to Roncade | 528.67 mi (850.82 km) |
| Houilles to Ronchi dei Legionari | 570.00 mi (917.32 km) |
| Houilles to Ronciglione | 666.11 mi (1,072.00 km) |
| Houilles to Rosa | 499.91 mi (804.53 km) |
| Houilles to Rosarno | 994.42 mi (1,600.36 km) |
| Houilles to Rosignano Marittimo | 549.57 mi (884.46 km) |
| Houilles to Rosolini | 1,054.13 mi (1,696.45 km) |
