| Boulogne-sur-Mer to Rivarolo Canavese | 467.06 mi (751.67 km) |
| Boulogne-sur-Mer to Rivoli | 476.67 mi (767.12 km) |
| Boulogne-sur-Mer to Rocca di Papa | 813.46 mi (1,309.14 km) |
| Boulogne-sur-Mer to Rocca Priora | 814.08 mi (1,310.14 km) |
| Boulogne-sur-Mer to Roccapiemonte | 930.94 mi (1,498.20 km) |
| Boulogne-sur-Mer to Roccastrada | 697.37 mi (1,122.31 km) |
| Boulogne-sur-Mer to Romano di Lombardia | 519.40 mi (835.89 km) |
| Boulogne-sur-Mer to Rome | 799.27 mi (1,286.30 km) |
| Boulogne-sur-Mer to Roncade | 607.42 mi (977.54 km) |
| Boulogne-sur-Mer to Ronchi dei Legionari | 641.48 mi (1,032.36 km) |
| Boulogne-sur-Mer to Ronciglione | 769.11 mi (1,237.77 km) |
| Boulogne-sur-Mer to Rosa | 580.72 mi (934.57 km) |
| Boulogne-sur-Mer to Rosarno | 1,098.16 mi (1,767.32 km) |
| Boulogne-sur-Mer to Rosignano Marittimo | 654.66 mi (1,053.57 km) |
| Boulogne-sur-Mer to Rosolini | 1,164.98 mi (1,874.85 km) |
