| Petaluma to Rende | 6,475.17 mi (10,420.78 km) |
| Petaluma to Resana | 5,992.44 mi (9,643.90 km) |
| Petaluma to Rescaldina | 5,910.03 mi (9,511.28 km) |
| Petaluma to Rezzato | 5,954.29 mi (9,582.51 km) |
| Petaluma to Rho | 5,917.06 mi (9,522.60 km) |
| Petaluma to Ribera | 6,498.09 mi (10,457.67 km) |
| Petaluma to Riccione Marina | 6,105.29 mi (9,825.51 km) |
| Petaluma to Riesi | 6,535.06 mi (10,517.17 km) |
| Petaluma to Rieti | 6,202.98 mi (9,982.73 km) |
| Petaluma to Rignano Flaminio | 6,204.21 mi (9,984.71 km) |
| Petaluma to Rignano sull'Arno | 6,087.74 mi (9,797.27 km) |
| Petaluma to Rimini | 6,099.62 mi (9,816.40 km) |
| Petaluma to Rionero in Vulture | 6,367.55 mi (10,247.59 km) |
| Petaluma to Riposto | 6,541.51 mi (10,527.55 km) |
| Petaluma to Riva del Garda | 5,948.20 mi (9,572.70 km) |
