| Grass Valley to Rhondda | 5,125.56 mi (8,248.78 km) |
| Grass Valley to Rhosllanerchrugog | 5,069.04 mi (8,157.84 km) |
| Grass Valley to Rhyl | 5,041.40 mi (8,113.34 km) |
| Grass Valley to Rhymney | 5,122.73 mi (8,244.24 km) |
| Grass Valley to Richmond | 5,227.24 mi (8,412.44 km) |
| Grass Valley to Rickmansworth | 5,213.23 mi (8,389.88 km) |
| Grass Valley to Ripley | 5,115.47 mi (8,232.55 km) |
| Grass Valley to Ripon | 5,058.58 mi (8,140.99 km) |
| Grass Valley to Risca | 5,135.91 mi (8,265.45 km) |
| Grass Valley to Rochdale | 5,065.91 mi (8,152.80 km) |
| Grass Valley to Rochester | 5,254.93 mi (8,456.99 km) |
| Grass Valley to Rock Ferry | 5,052.84 mi (8,131.75 km) |
| Grass Valley to Rogerstone | 5,137.90 mi (8,268.64 km) |
| Grass Valley to Romford | 5,235.34 mi (8,425.47 km) |
| Grass Valley to Romsey | 5,214.76 mi (8,392.35 km) |
