| Oak Ridge to Ramsbottom | 3,960.42 mi (6,373.67 km) |
| Oak Ridge to Ramsgate | 4,162.10 mi (6,698.25 km) |
| Oak Ridge to Raunds | 4,059.48 mi (6,533.10 km) |
| Oak Ridge to Rawmarsh | 4,002.34 mi (6,441.15 km) |
| Oak Ridge to Rawtenstall | 3,960.36 mi (6,373.58 km) |
| Oak Ridge to Rayleigh | 4,123.28 mi (6,635.78 km) |
| Oak Ridge to Raynes Park | 4,094.08 mi (6,588.79 km) |
| Oak Ridge to Reading | 4,062.92 mi (6,538.63 km) |
| Oak Ridge to Redcar | 3,987.86 mi (6,417.84 km) |
| Oak Ridge to Reddish | 3,970.96 mi (6,390.64 km) |
| Oak Ridge to Redditch | 4,004.86 mi (6,445.20 km) |
| Oak Ridge to Redhill | 4,100.47 mi (6,599.07 km) |
| Oak Ridge to Redruth | 3,914.95 mi (6,300.50 km) |
| Oak Ridge to Reigate | 4,099.17 mi (6,596.98 km) |
| Oak Ridge to Renfrew | 3,837.79 mi (6,176.33 km) |
