| Petaluma to Redondela | 5,501.82 mi (8,854.33 km) |
| Petaluma to Reinosa | 5,629.59 mi (9,059.94 km) |
| Petaluma to Requena | 5,914.58 mi (9,518.60 km) |
| Petaluma to Reus | 5,905.56 mi (9,504.08 km) |
| Petaluma to Rianxo | 5,477.07 mi (8,814.49 km) |
| Petaluma to Ribadeo | 5,500.13 mi (8,851.61 km) |
| Petaluma to Rincon de la Victoria | 5,936.40 mi (9,553.71 km) |
| Petaluma to Ripoll | 5,887.04 mi (9,474.28 km) |
| Petaluma to Ripollet | 5,923.05 mi (9,532.23 km) |
| Petaluma to Rojales | 5,999.93 mi (9,655.96 km) |
| Petaluma to Ronda | 5,901.41 mi (9,497.40 km) |
| Petaluma to Roquetas de Mar | 5,997.50 mi (9,652.04 km) |
| Petaluma to Rosas | 5,916.14 mi (9,521.11 km) |
| Petaluma to Rubi | 5,919.05 mi (9,525.80 km) |
| Petaluma to Rute | 5,903.34 mi (9,500.51 km) |
