| Douglas to Rheinbach | 669.56 mi (1,077.55 km) |
| Douglas to Rheinberg | 642.99 mi (1,034.79 km) |
| Douglas to Rheine | 673.07 mi (1,083.20 km) |
| Douglas to Rheinfelden (Baden) | 781.70 mi (1,258.03 km) |
| Douglas to Ribnitz-Damgarten | 879.82 mi (1,415.94 km) |
| Douglas to Richterich | 629.02 mi (1,012.31 km) |
| Douglas to Riedlingen | 833.12 mi (1,340.78 km) |
| Douglas to Riegelsberg | 696.15 mi (1,120.34 km) |
| Douglas to Rielasingen-Worblingen | 819.38 mi (1,318.66 km) |
| Douglas to Riesa | 930.10 mi (1,496.84 km) |
| Douglas to Rietberg | 718.58 mi (1,156.44 km) |
| Douglas to Rinteln | 743.09 mi (1,195.90 km) |
| Douglas to Ritterhude | 726.53 mi (1,169.24 km) |
| Douglas to Rodenbach | 766.76 mi (1,233.99 km) |
| Douglas to Rodental | 851.06 mi (1,369.64 km) |
