| Alcobaca to Oerlinghausen | 1,201.81 mi (1,934.13 km) |
| Alcobaca to Oestrich-Winkel | 1,097.41 mi (1,766.11 km) |
| Alcobaca to Offenburg | 1,038.10 mi (1,670.65 km) |
| Alcobaca to Oftersheim | 1,095.53 mi (1,763.08 km) |
| Alcobaca to Ohrdruf | 1,229.42 mi (1,978.56 km) |
| Alcobaca to Ohringen | 1,125.10 mi (1,810.67 km) |
| Alcobaca to Olbernhau | 1,323.18 mi (2,129.45 km) |
| Alcobaca to Olching | 1,168.82 mi (1,881.03 km) |
| Alcobaca to Oldenburg | 1,240.11 mi (1,995.77 km) |
| Alcobaca to Oldenburg in Holstein | 1,374.87 mi (2,212.63 km) |
| Alcobaca to Olfen | 1,148.58 mi (1,848.46 km) |
| Alcobaca to Olpe | 1,133.04 mi (1,823.45 km) |
| Alcobaca to Olsberg | 1,169.39 mi (1,881.96 km) |
| Alcobaca to Oranienburg | 1,390.62 mi (2,237.98 km) |
| Alcobaca to Ortenberg | 1,149.86 mi (1,850.52 km) |
