| Costa de Caparica to Oerlinghausen | 1,259.79 mi (2,027.44 km) |
| Costa de Caparica to Oestrich-Winkel | 1,153.06 mi (1,855.67 km) |
| Costa de Caparica to Offenburg | 1,090.99 mi (1,755.77 km) |
| Costa de Caparica to Oftersheim | 1,149.65 mi (1,850.19 km) |
| Costa de Caparica to Ohrdruf | 1,284.52 mi (2,067.24 km) |
| Costa de Caparica to Ohringen | 1,178.23 mi (1,896.17 km) |
| Costa de Caparica to Olbernhau | 1,376.49 mi (2,215.25 km) |
| Costa de Caparica to Olching | 1,218.65 mi (1,961.22 km) |
| Costa de Caparica to Oldenburg | 1,299.65 mi (2,091.59 km) |
| Costa de Caparica to Oldenburg in Holstein | 1,434.17 mi (2,308.08 km) |
| Costa de Caparica to Olfen | 1,207.07 mi (1,942.60 km) |
| Costa de Caparica to Olpe | 1,190.33 mi (1,915.66 km) |
| Costa de Caparica to Olsberg | 1,226.70 mi (1,974.19 km) |
| Costa de Caparica to Oranienburg | 1,447.04 mi (2,328.79 km) |
| Costa de Caparica to Ortenberg | 1,205.32 mi (1,939.78 km) |
