| Hertford to Ratingen | 299.50 mi (482.00 km) |
| Hertford to Ratzeburg | 471.01 mi (758.02 km) |
| Hertford to Raubling | 608.84 mi (979.83 km) |
| Hertford to Rauenberg | 423.03 mi (680.79 km) |
| Hertford to Raunheim | 391.08 mi (629.39 km) |
| Hertford to Ravensburg | 512.86 mi (825.36 km) |
| Hertford to Recke | 333.22 mi (536.26 km) |
| Hertford to Recklinghausen | 310.29 mi (499.36 km) |
| Hertford to Regen | 612.98 mi (986.50 km) |
| Hertford to Regensburg | 568.08 mi (914.23 km) |
| Hertford to Regenstauf | 566.94 mi (912.40 km) |
| Hertford to Rehau | 535.70 mi (862.12 km) |
| Hertford to Rehburg-Loccum | 396.19 mi (637.60 km) |
| Hertford to Rehlingen-Siersburg | 340.39 mi (547.80 km) |
| Hertford to Reichelsheim | 415.12 mi (668.08 km) |
