| Boulder to Rivalta di Torino | 5,236.20 mi (8,426.84 km) |
| Boulder to Rivarolo Canavese | 5,229.16 mi (8,415.52 km) |
| Boulder to Rivoli | 5,234.48 mi (8,424.08 km) |
| Boulder to Rocca di Papa | 5,580.21 mi (8,980.48 km) |
| Boulder to Rocca Priora | 5,581.14 mi (8,981.98 km) |
| Boulder to Roccapiemonte | 5,700.82 mi (9,174.58 km) |
| Boulder to Roccastrada | 5,463.54 mi (8,792.71 km) |
| Boulder to Romano di Lombardia | 5,291.32 mi (8,515.55 km) |
| Boulder to Rome | 5,565.60 mi (8,956.96 km) |
| Boulder to Roncade | 5,375.44 mi (8,650.94 km) |
| Boulder to Ronchi dei Legionari | 5,402.39 mi (8,694.31 km) |
| Boulder to Ronciglione | 5,536.27 mi (8,909.77 km) |
| Boulder to Rosa | 5,350.37 mi (8,610.58 km) |
| Boulder to Rosarno | 5,863.95 mi (9,437.11 km) |
| Boulder to Rosignano Marittimo | 5,419.53 mi (8,721.90 km) |
