| Clarksburg to Rhondda | 3,522.86 mi (5,669.50 km) |
| Clarksburg to Rhosllanerchrugog | 3,510.61 mi (5,649.78 km) |
| Clarksburg to Rhyl | 3,487.77 mi (5,613.02 km) |
| Clarksburg to Rhymney | 3,525.53 mi (5,673.80 km) |
| Clarksburg to Richmond | 3,653.77 mi (5,880.17 km) |
| Clarksburg to Rickmansworth | 3,643.02 mi (5,862.87 km) |
| Clarksburg to Ripley | 3,575.41 mi (5,754.07 km) |
| Clarksburg to Ripon | 3,549.47 mi (5,712.32 km) |
| Clarksburg to Risca | 3,536.43 mi (5,691.33 km) |
| Clarksburg to Rochdale | 3,534.53 mi (5,688.28 km) |
| Clarksburg to Rochester | 3,688.21 mi (5,935.60 km) |
| Clarksburg to Rock Ferry | 3,505.57 mi (5,641.67 km) |
| Clarksburg to Rogerstone | 3,538.31 mi (5,694.36 km) |
| Clarksburg to Romford | 3,670.62 mi (5,907.30 km) |
| Clarksburg to Romsey | 3,615.04 mi (5,817.85 km) |
