| Gretna to Reichenbach/Vogtland | 5,145.31 mi (8,280.57 km) |
| Gretna to Reinbek | 4,975.98 mi (8,008.07 km) |
| Gretna to Reinfeld | 4,974.67 mi (8,005.96 km) |
| Gretna to Reinheim | 5,034.29 mi (8,101.91 km) |
| Gretna to Reiskirchen | 5,010.78 mi (8,064.07 km) |
| Gretna to Rellingen | 4,955.80 mi (7,975.58 km) |
| Gretna to Remagen | 4,948.01 mi (7,963.05 km) |
| Gretna to Remscheid | 4,929.19 mi (7,932.76 km) |
| Gretna to Rendsburg | 4,930.78 mi (7,935.32 km) |
| Gretna to Renningen | 5,071.20 mi (8,161.31 km) |
| Gretna to Reutlingen | 5,091.51 mi (8,194.00 km) |
| Gretna to Rhaude | 4,885.53 mi (7,862.50 km) |
| Gretna to Rheda-Wiedenbruck | 4,952.71 mi (7,970.62 km) |
| Gretna to Rhede | 4,890.99 mi (7,871.29 km) |
| Gretna to Rheinau | 5,033.38 mi (8,100.44 km) |
