| Martha Lake to Rheinbach | 4,994.68 mi (8,038.16 km) |
| Martha Lake to Rheinberg | 4,933.60 mi (7,939.86 km) |
| Martha Lake to Rheine | 4,910.54 mi (7,902.75 km) |
| Martha Lake to Rheinfelden (Baden) | 5,194.02 mi (8,358.97 km) |
| Martha Lake to Ribnitz-Damgarten | 4,904.31 mi (7,892.73 km) |
| Martha Lake to Richterich | 4,963.21 mi (7,987.51 km) |
| Martha Lake to Riedlingen | 5,199.98 mi (8,368.56 km) |
| Martha Lake to Riegelsberg | 5,071.98 mi (8,162.57 km) |
| Martha Lake to Rielasingen-Worblingen | 5,209.56 mi (8,383.97 km) |
| Martha Lake to Riesa | 5,097.87 mi (8,204.23 km) |
| Martha Lake to Rietberg | 4,961.61 mi (7,984.94 km) |
| Martha Lake to Rinteln | 4,953.49 mi (7,971.87 km) |
| Martha Lake to Ritterhude | 4,888.10 mi (7,866.63 km) |
| Martha Lake to Rodenbach | 5,072.07 mi (8,162.71 km) |
| Martha Lake to Rodental | 5,110.70 mi (8,224.87 km) |
