| Gretna to Ratingen | 4,912.06 mi (7,905.20 km) |
| Gretna to Ratzeburg | 4,988.52 mi (8,028.25 km) |
| Gretna to Raubling | 5,231.63 mi (8,419.50 km) |
| Gretna to Rauenberg | 5,046.34 mi (8,121.30 km) |
| Gretna to Raunheim | 5,013.30 mi (8,068.13 km) |
| Gretna to Ravensburg | 5,129.80 mi (8,255.61 km) |
| Gretna to Recke | 4,914.89 mi (7,909.76 km) |
| Gretna to Recklinghausen | 4,916.07 mi (7,911.65 km) |
| Gretna to Regen | 5,233.05 mi (8,421.78 km) |
| Gretna to Regensburg | 5,189.77 mi (8,352.13 km) |
| Gretna to Regenstauf | 5,188.01 mi (8,349.29 km) |
| Gretna to Rehau | 5,146.41 mi (8,282.35 km) |
| Gretna to Rehburg-Loccum | 4,969.22 mi (7,997.19 km) |
| Gretna to Rehlingen-Siersburg | 4,961.15 mi (7,984.19 km) |
| Gretna to Reichelsheim | 5,038.08 mi (8,108.00 km) |
