| Petaluma to Rheinbach | 5,577.63 mi (8,976.32 km) |
| Petaluma to Rheinberg | 5,518.56 mi (8,881.27 km) |
| Petaluma to Rheine | 5,500.23 mi (8,851.76 km) |
| Petaluma to Rheinfelden (Baden) | 5,769.36 mi (9,284.89 km) |
| Petaluma to Ribnitz-Damgarten | 5,512.55 mi (8,871.59 km) |
| Petaluma to Richterich | 5,544.12 mi (8,922.40 km) |
| Petaluma to Riedlingen | 5,782.64 mi (9,306.26 km) |
| Petaluma to Riegelsberg | 5,650.42 mi (9,093.47 km) |
| Petaluma to Rielasingen-Worblingen | 5,788.87 mi (9,316.28 km) |
| Petaluma to Riesa | 5,700.60 mi (9,174.23 km) |
| Petaluma to Rietberg | 5,552.54 mi (8,935.95 km) |
| Petaluma to Rinteln | 5,547.39 mi (8,927.66 km) |
| Petaluma to Ritterhude | 5,484.13 mi (8,825.85 km) |
| Petaluma to Rodenbach | 5,659.60 mi (9,108.25 km) |
| Petaluma to Rodental | 5,704.51 mi (9,180.51 km) |
