| Bailen to Oerlinghausen | 1,131.75 mi (1,821.38 km) |
| Bailen to Oestrich-Winkel | 1,007.07 mi (1,620.72 km) |
| Bailen to Offenburg | 925.78 mi (1,489.90 km) |
| Bailen to Oftersheim | 991.57 mi (1,595.78 km) |
| Bailen to Ohrdruf | 1,130.14 mi (1,818.78 km) |
| Bailen to Ohringen | 1,011.88 mi (1,628.46 km) |
| Bailen to Olbernhau | 1,206.39 mi (1,941.49 km) |
| Bailen to Olching | 1,029.47 mi (1,656.78 km) |
| Bailen to Oldenburg | 1,187.21 mi (1,910.62 km) |
| Bailen to Oldenburg in Holstein | 1,315.68 mi (2,117.38 km) |
| Bailen to Olfen | 1,085.83 mi (1,747.48 km) |
| Bailen to Olpe | 1,057.73 mi (1,702.25 km) |
| Bailen to Olsberg | 1,093.11 mi (1,759.19 km) |
| Bailen to Oranienburg | 1,299.92 mi (2,092.01 km) |
| Bailen to Ortenberg | 1,056.11 mi (1,699.65 km) |
