| Greenbelt to Rheinbach | 3,963.05 mi (6,377.90 km) |
| Greenbelt to Rheinberg | 3,924.39 mi (6,315.70 km) |
| Greenbelt to Rheine | 3,937.50 mi (6,336.79 km) |
| Greenbelt to Rheinfelden (Baden) | 4,085.84 mi (6,575.53 km) |
| Greenbelt to Ribnitz-Damgarten | 4,072.99 mi (6,554.85 km) |
| Greenbelt to Richterich | 3,922.58 mi (6,312.79 km) |
| Greenbelt to Riedlingen | 4,137.94 mi (6,659.38 km) |
| Greenbelt to Riegelsberg | 3,999.88 mi (6,437.18 km) |
| Greenbelt to Rielasingen-Worblingen | 4,124.51 mi (6,637.75 km) |
| Greenbelt to Riesa | 4,192.98 mi (6,747.94 km) |
| Greenbelt to Rietberg | 3,989.71 mi (6,420.82 km) |
| Greenbelt to Rinteln | 4,004.08 mi (6,443.95 km) |
| Greenbelt to Ritterhude | 3,964.29 mi (6,379.90 km) |
| Greenbelt to Rodenbach | 4,060.43 mi (6,534.64 km) |
| Greenbelt to Rodental | 4,137.58 mi (6,658.80 km) |
