| Castle Rock to Ramsbottom | 4,539.51 mi (7,305.63 km) |
| Castle Rock to Ramsgate | 4,760.23 mi (7,660.85 km) |
| Castle Rock to Raunds | 4,651.75 mi (7,486.27 km) |
| Castle Rock to Rawmarsh | 4,579.66 mi (7,370.25 km) |
| Castle Rock to Rawtenstall | 4,538.43 mi (7,303.89 km) |
| Castle Rock to Rayleigh | 4,721.94 mi (7,599.22 km) |
| Castle Rock to Raynes Park | 4,700.51 mi (7,564.73 km) |
| Castle Rock to Reading | 4,672.61 mi (7,519.85 km) |
| Castle Rock to Redcar | 4,543.42 mi (7,311.93 km) |
| Castle Rock to Reddish | 4,552.95 mi (7,327.27 km) |
| Castle Rock to Redditch | 4,605.42 mi (7,411.70 km) |
| Castle Rock to Redhill | 4,709.28 mi (7,578.86 km) |
| Castle Rock to Redruth | 4,567.98 mi (7,351.46 km) |
| Castle Rock to Reigate | 4,708.21 mi (7,577.14 km) |
| Castle Rock to Renfrew | 4,386.36 mi (7,059.17 km) |
