| Boulder to Ross on Wye | 4,577.97 mi (7,367.53 km) |
| Boulder to Rossington | 4,567.32 mi (7,350.39 km) |
| Boulder to Rosyth | 4,389.43 mi (7,064.10 km) |
| Boulder to Rotherham | 4,559.28 mi (7,337.45 km) |
| Boulder to Rothwell | 4,542.47 mi (7,310.40 km) |
| Boulder to Rottingdean | 4,710.60 mi (7,580.97 km) |
| Boulder to Rowley Regis | 4,573.56 mi (7,360.44 km) |
| Boulder to Royal Leamington Spa | 4,599.04 mi (7,401.43 km) |
| Boulder to Royal Tunbridge Wells | 4,708.68 mi (7,577.88 km) |
| Boulder to Royal Wootton Bassett | 4,617.20 mi (7,430.67 km) |
| Boulder to Royston | 4,548.95 mi (7,320.82 km) |
| Boulder to Royston | 4,660.83 mi (7,500.89 km) |
| Boulder to Royton | 4,528.21 mi (7,287.45 km) |
| Boulder to Rugby | 4,605.35 mi (7,411.59 km) |
| Boulder to Rugeley | 4,566.48 mi (7,349.04 km) |
