| Hertford to Racale | 1,190.71 mi (1,916.26 km) |
| Hertford to Racconigi | 601.98 mi (968.79 km) |
| Hertford to Raffadali | 1,194.52 mi (1,922.39 km) |
| Hertford to Ragusa | 1,256.09 mi (2,021.48 km) |
| Hertford to Ramacca | 1,228.02 mi (1,976.31 km) |
| Hertford to Randazzo | 1,205.83 mi (1,940.59 km) |
| Hertford to Rapallo | 669.35 mi (1,077.22 km) |
| Hertford to Ravanusa | 1,214.56 mi (1,954.64 km) |
| Hertford to Ravenna | 760.40 mi (1,223.75 km) |
| Hertford to Recanati | 857.52 mi (1,380.04 km) |
| Hertford to Recco | 665.98 mi (1,071.79 km) |
| Hertford to Reggello | 776.20 mi (1,249.18 km) |
| Hertford to Reggio di Calabria | 1,213.22 mi (1,952.49 km) |
| Hertford to Reggio Emilia | 693.82 mi (1,116.60 km) |
| Hertford to Reggiolo | 688.67 mi (1,108.31 km) |
