| Clarksburg to Rivalta di Torino | 4,158.48 mi (6,692.43 km) |
| Clarksburg to Rivarolo Canavese | 4,157.70 mi (6,691.17 km) |
| Clarksburg to Rivoli | 4,157.32 mi (6,690.56 km) |
| Clarksburg to Rocca di Papa | 4,496.42 mi (7,236.29 km) |
| Clarksburg to Rocca Priora | 4,498.03 mi (7,238.87 km) |
| Clarksburg to Roccapiemonte | 4,620.27 mi (7,435.61 km) |
| Clarksburg to Roccastrada | 4,384.64 mi (7,056.40 km) |
| Clarksburg to Romano di Lombardia | 4,239.05 mi (6,822.08 km) |
| Clarksburg to Rome | 4,481.60 mi (7,212.43 km) |
| Clarksburg to Roncade | 4,346.72 mi (6,995.37 km) |
| Clarksburg to Ronchi dei Legionari | 4,386.58 mi (7,059.52 km) |
| Clarksburg to Ronciglione | 4,455.71 mi (7,170.77 km) |
| Clarksburg to Rosa | 4,317.93 mi (6,949.04 km) |
| Clarksburg to Rosarno | 4,763.94 mi (7,666.82 km) |
| Clarksburg to Rosignano Marittimo | 4,340.58 mi (6,985.49 km) |
