| Petaluma to Rhondda | 5,229.47 mi (8,416.02 km) |
| Petaluma to Rhosllanerchrugog | 5,172.28 mi (8,323.98 km) |
| Petaluma to Rhyl | 5,144.61 mi (8,279.44 km) |
| Petaluma to Rhymney | 5,226.55 mi (8,411.32 km) |
| Petaluma to Richmond | 5,330.40 mi (8,578.45 km) |
| Petaluma to Rickmansworth | 5,316.36 mi (8,555.85 km) |
| Petaluma to Ripley | 5,218.25 mi (8,397.96 km) |
| Petaluma to Ripon | 5,160.89 mi (8,305.66 km) |
| Petaluma to Risca | 5,239.75 mi (8,432.56 km) |
| Petaluma to Rochdale | 5,168.65 mi (8,318.13 km) |
| Petaluma to Rochester | 5,357.89 mi (8,622.70 km) |
| Petaluma to Rock Ferry | 5,155.90 mi (8,297.62 km) |
| Petaluma to Rogerstone | 5,241.73 mi (8,435.75 km) |
| Petaluma to Romford | 5,338.31 mi (8,591.19 km) |
| Petaluma to Romsey | 5,318.44 mi (8,559.20 km) |
