| Alcarraz to Oerlinghausen | 814.38 mi (1,310.62 km) |
| Alcarraz to Oestrich-Winkel | 684.43 mi (1,101.48 km) |
| Alcarraz to Offenburg | 598.09 mi (962.54 km) |
| Alcarraz to Oftersheim | 665.14 mi (1,070.44 km) |
| Alcarraz to Ohrdruf | 803.47 mi (1,293.06 km) |
| Alcarraz to Ohringen | 683.21 mi (1,099.52 km) |
| Alcarraz to Olbernhau | 876.24 mi (1,410.17 km) |
| Alcarraz to Olching | 698.40 mi (1,123.97 km) |
| Alcarraz to Oldenburg | 876.14 mi (1,410.01 km) |
| Alcarraz to Oldenburg in Holstein | 999.78 mi (1,608.99 km) |
| Alcarraz to Olfen | 772.46 mi (1,243.16 km) |
| Alcarraz to Olpe | 739.66 mi (1,190.36 km) |
| Alcarraz to Olsberg | 774.01 mi (1,245.64 km) |
| Alcarraz to Oranienburg | 973.99 mi (1,567.49 km) |
| Alcarraz to Ortenberg | 731.69 mi (1,177.55 km) |
