| Gretna to Rheinbach | 4,935.26 mi (7,942.53 km) |
| Gretna to Rheinberg | 4,895.23 mi (7,878.11 km) |
| Gretna to Rheine | 4,906.45 mi (7,896.16 km) |
| Gretna to Rheinfelden (Baden) | 5,061.17 mi (8,145.17 km) |
| Gretna to Ribnitz-Damgarten | 5,033.28 mi (8,100.28 km) |
| Gretna to Richterich | 4,894.91 mi (7,877.59 km) |
| Gretna to Riedlingen | 5,112.31 mi (8,227.46 km) |
| Gretna to Riegelsberg | 4,973.88 mi (8,004.69 km) |
| Gretna to Rielasingen-Worblingen | 5,099.45 mi (8,206.76 km) |
| Gretna to Riesa | 5,160.24 mi (8,304.61 km) |
| Gretna to Rietberg | 4,959.09 mi (7,980.89 km) |
| Gretna to Rinteln | 4,972.25 mi (8,002.07 km) |
| Gretna to Ritterhude | 4,930.34 mi (7,934.62 km) |
| Gretna to Rodenbach | 5,032.44 mi (8,098.93 km) |
| Gretna to Rodental | 5,108.31 mi (8,221.03 km) |
