| Harrow to Racale | 1,191.50 mi (1,917.53 km) |
| Harrow to Racconigi | 598.19 mi (962.69 km) |
| Harrow to Raffadali | 1,190.49 mi (1,915.92 km) |
| Harrow to Ragusa | 1,252.68 mi (2,015.99 km) |
| Harrow to Ramacca | 1,224.83 mi (1,971.18 km) |
| Harrow to Randazzo | 1,203.10 mi (1,936.20 km) |
| Harrow to Rapallo | 666.88 mi (1,073.23 km) |
| Harrow to Ravanusa | 1,210.78 mi (1,948.56 km) |
| Harrow to Ravenna | 760.92 mi (1,224.58 km) |
| Harrow to Recanati | 858.03 mi (1,380.87 km) |
| Harrow to Recco | 663.43 mi (1,067.69 km) |
| Harrow to Reggello | 775.29 mi (1,247.70 km) |
| Harrow to Reggio di Calabria | 1,211.13 mi (1,949.12 km) |
| Harrow to Reggio Emilia | 693.23 mi (1,115.65 km) |
| Harrow to Reggiolo | 688.53 mi (1,108.09 km) |
