| Clarksburg to Rheinbach | 3,967.70 mi (6,385.39 km) |
| Clarksburg to Rheinberg | 3,928.65 mi (6,322.55 km) |
| Clarksburg to Rheine | 3,941.29 mi (6,342.90 km) |
| Clarksburg to Rheinfelden (Baden) | 4,091.82 mi (6,585.14 km) |
| Clarksburg to Ribnitz-Damgarten | 4,075.20 mi (6,558.40 km) |
| Clarksburg to Richterich | 3,927.27 mi (6,320.33 km) |
| Clarksburg to Riedlingen | 4,143.39 mi (6,668.15 km) |
| Clarksburg to Riegelsberg | 4,005.17 mi (6,445.70 km) |
| Clarksburg to Rielasingen-Worblingen | 4,130.24 mi (6,646.99 km) |
| Clarksburg to Riesa | 4,196.43 mi (6,753.50 km) |
| Clarksburg to Rietberg | 3,993.61 mi (6,427.10 km) |
| Clarksburg to Rinteln | 4,007.71 mi (6,449.78 km) |
| Clarksburg to Ritterhude | 3,967.47 mi (6,385.03 km) |
| Clarksburg to Rodenbach | 4,065.03 mi (6,542.04 km) |
| Clarksburg to Rodental | 4,141.83 mi (6,665.63 km) |
