| Petaluma to Radauti | 6,182.06 mi (9,949.06 km) |
| Petaluma to Ramnicu Sarat | 6,359.58 mi (10,234.76 km) |
| Petaluma to Ramnicu Valcea | 6,323.06 mi (10,175.98 km) |
| Petaluma to Rasnov | 6,314.66 mi (10,162.46 km) |
| Petaluma to Reghin | 6,225.40 mi (10,018.81 km) |
| Petaluma to Resita | 6,257.41 mi (10,070.33 km) |
| Petaluma to Roman | 6,258.83 mi (10,072.62 km) |
| Petaluma to Rosiori de Vede | 6,398.12 mi (10,296.77 km) |
| Petaluma to Rovinari | 6,309.25 mi (10,153.75 km) |
| Petaluma to Roznov | 6,256.90 mi (10,069.51 km) |
| Petaluma to Sabaoani | 6,251.84 mi (10,061.36 km) |
| Petaluma to Sacele | 6,317.97 mi (10,167.78 km) |
| Petaluma to Sacueni | 6,135.55 mi (9,874.21 km) |
| Petaluma to Salcea | 6,202.74 mi (9,982.34 km) |
| Petaluma to Salonta | 6,160.04 mi (9,913.63 km) |
