| Rohnert Park to Oerlinghausen | 5,544.63 mi (8,923.22 km) |
| Rohnert Park to Oestrich-Winkel | 5,636.05 mi (9,070.34 km) |
| Rohnert Park to Offenburg | 5,718.95 mi (9,203.77 km) |
| Rohnert Park to Oftersheim | 5,686.53 mi (9,151.59 km) |
| Rohnert Park to Ohrdruf | 5,660.57 mi (9,109.81 km) |
| Rohnert Park to Ohringen | 5,720.40 mi (9,206.09 km) |
| Rohnert Park to Olbernhau | 5,733.68 mi (9,227.47 km) |
| Rohnert Park to Olching | 5,824.60 mi (9,373.78 km) |
| Rohnert Park to Oldenburg | 5,468.16 mi (8,800.16 km) |
| Rohnert Park to Oldenburg in Holstein | 5,468.25 mi (8,800.29 km) |
| Rohnert Park to Olfen | 5,525.35 mi (8,892.19 km) |
| Rohnert Park to Olpe | 5,575.57 mi (8,973.02 km) |
| Rohnert Park to Olsberg | 5,574.09 mi (8,970.63 km) |
| Rohnert Park to Oranienburg | 5,610.96 mi (9,029.98 km) |
| Rohnert Park to Ortenberg | 5,644.15 mi (9,083.39 km) |
