| Boulogne-sur-Mer to Rodez | 442.79 mi (712.59 km) |
| Boulogne-sur-Mer to Rognac | 528.11 mi (849.91 km) |
| Boulogne-sur-Mer to Roissy-en-Brie | 141.53 mi (227.77 km) |
| Boulogne-sur-Mer to Romainville | 132.45 mi (213.15 km) |
| Boulogne-sur-Mer to Romans-sur-Isere | 423.41 mi (681.41 km) |
| Boulogne-sur-Mer to Rombas | 223.60 mi (359.86 km) |
| Boulogne-sur-Mer to Romilly-sur-Seine | 179.61 mi (289.05 km) |
| Boulogne-sur-Mer to Ronchin | 65.06 mi (104.70 km) |
| Boulogne-sur-Mer to Roncq | 65.86 mi (105.99 km) |
| Boulogne-sur-Mer to Roquebrune-sur-Argens | 555.62 mi (894.19 km) |
| Boulogne-sur-Mer to Roquevaire | 543.02 mi (873.90 km) |
| Boulogne-sur-Mer to Rosny-sous-Bois | 134.20 mi (215.98 km) |
| Boulogne-sur-Mer to Roubaix | 68.61 mi (110.41 km) |
| Boulogne-sur-Mer to Rouen | 91.70 mi (147.58 km) |
| Boulogne-sur-Mer to Rouvroy | 61.08 mi (98.30 km) |
