| Cuevas del Almanzora to Oerlinghausen | 1,135.34 mi (1,827.16 km) |
| Cuevas del Almanzora to Oestrich-Winkel | 1,004.63 mi (1,616.80 km) |
| Cuevas del Almanzora to Offenburg | 915.62 mi (1,473.55 km) |
| Cuevas del Almanzora to Oftersheim | 983.52 mi (1,582.82 km) |
| Cuevas del Almanzora to Ohrdruf | 1,121.27 mi (1,804.51 km) |
| Cuevas del Almanzora to Ohringen | 999.22 mi (1,608.09 km) |
| Cuevas del Almanzora to Olbernhau | 1,188.49 mi (1,912.69 km) |
| Cuevas del Almanzora to Olching | 1,004.42 mi (1,616.46 km) |
| Cuevas del Almanzora to Oldenburg | 1,196.88 mi (1,926.19 km) |
| Cuevas del Almanzora to Oldenburg in Holstein | 1,320.77 mi (2,125.58 km) |
| Cuevas del Almanzora to Olfen | 1,093.36 mi (1,759.59 km) |
| Cuevas del Almanzora to Olpe | 1,060.60 mi (1,706.87 km) |
| Cuevas del Almanzora to Olsberg | 1,094.84 mi (1,761.97 km) |
| Cuevas del Almanzora to Oranienburg | 1,292.03 mi (2,079.31 km) |
| Cuevas del Almanzora to Ortenberg | 1,051.11 mi (1,691.60 km) |
