| Culleredo to Oerlinghausen | 991.07 mi (1,594.98 km) |
| Culleredo to Oestrich-Winkel | 902.35 mi (1,452.19 km) |
| Culleredo to Offenburg | 860.57 mi (1,384.95 km) |
| Culleredo to Oftersheim | 909.54 mi (1,463.77 km) |
| Culleredo to Ohrdruf | 1,035.51 mi (1,666.49 km) |
| Culleredo to Ohringen | 944.30 mi (1,519.70 km) |
| Culleredo to Olbernhau | 1,138.14 mi (1,831.66 km) |
| Culleredo to Olching | 1,005.55 mi (1,618.28 km) |
| Culleredo to Oldenburg | 1,019.24 mi (1,640.31 km) |
| Culleredo to Oldenburg in Holstein | 1,154.39 mi (1,857.82 km) |
| Culleredo to Olfen | 935.31 mi (1,505.23 km) |
| Culleredo to Olpe | 927.43 mi (1,492.55 km) |
| Culleredo to Olsberg | 963.19 mi (1,550.10 km) |
| Culleredo to Oranienburg | 1,187.16 mi (1,910.55 km) |
| Culleredo to Ortenberg | 955.02 mi (1,536.96 km) |
