| Slough to Racale | 1,197.06 mi (1,926.48 km) |
| Slough to Racconigi | 601.24 mi (967.61 km) |
| Slough to Raffadali | 1,193.27 mi (1,920.38 km) |
| Slough to Ragusa | 1,255.82 mi (2,021.05 km) |
| Slough to Ramacca | 1,228.12 mi (1,976.46 km) |
| Slough to Randazzo | 1,206.66 mi (1,941.94 km) |
| Slough to Rapallo | 670.69 mi (1,079.38 km) |
| Slough to Ravanusa | 1,213.71 mi (1,953.27 km) |
| Slough to Ravenna | 766.41 mi (1,233.41 km) |
| Slough to Recanati | 863.50 mi (1,389.67 km) |
| Slough to Recco | 667.21 mi (1,073.77 km) |
| Slough to Reggello | 779.97 mi (1,255.25 km) |
| Slough to Reggio di Calabria | 1,215.06 mi (1,955.46 km) |
| Slough to Reggio Emilia | 698.13 mi (1,123.53 km) |
| Slough to Reggiolo | 693.69 mi (1,116.38 km) |
