| Erkrath to Racconigi | 447.56 mi (720.27 km) |
| Erkrath to Raffadali | 1,008.31 mi (1,622.71 km) |
| Erkrath to Ragusa | 1,059.94 mi (1,705.82 km) |
| Erkrath to Ramacca | 1,029.46 mi (1,656.75 km) |
| Erkrath to Randazzo | 1,001.62 mi (1,611.94 km) |
| Erkrath to Rapallo | 486.92 mi (783.62 km) |
| Erkrath to Ravanusa | 1,024.38 mi (1,648.58 km) |
| Erkrath to Ravenna | 530.15 mi (853.20 km) |
| Erkrath to Recanati | 622.98 mi (1,002.59 km) |
| Erkrath to Recco | 484.95 mi (780.45 km) |
| Erkrath to Reggello | 563.64 mi (907.09 km) |
| Erkrath to Reggio di Calabria | 1,000.66 mi (1,610.41 km) |
| Erkrath to Reggio Emilia | 482.31 mi (776.21 km) |
| Erkrath to Reggiolo | 471.38 mi (758.62 km) |
| Erkrath to Rende | 935.33 mi (1,505.26 km) |
