| Boulogne-sur-Mer to Racconigi | 498.68 mi (802.54 km) |
| Boulogne-sur-Mer to Raffadali | 1,091.21 mi (1,756.13 km) |
| Boulogne-sur-Mer to Ragusa | 1,152.42 mi (1,854.64 km) |
| Boulogne-sur-Mer to Ramacca | 1,124.25 mi (1,809.31 km) |
| Boulogne-sur-Mer to Randazzo | 1,101.91 mi (1,773.35 km) |
| Boulogne-sur-Mer to Rapallo | 565.41 mi (909.94 km) |
| Boulogne-sur-Mer to Ravanusa | 1,111.09 mi (1,788.12 km) |
| Boulogne-sur-Mer to Ravenna | 657.38 mi (1,057.95 km) |
| Boulogne-sur-Mer to Recanati | 754.50 mi (1,214.25 km) |
| Boulogne-sur-Mer to Recco | 562.05 mi (904.54 km) |
| Boulogne-sur-Mer to Reggello | 672.35 mi (1,082.05 km) |
| Boulogne-sur-Mer to Reggio di Calabria | 1,109.21 mi (1,785.10 km) |
| Boulogne-sur-Mer to Reggio Emilia | 590.09 mi (949.66 km) |
| Boulogne-sur-Mer to Reggiolo | 585.18 mi (941.75 km) |
| Boulogne-sur-Mer to Rende | 1,057.21 mi (1,701.41 km) |
