| Alovera to Oerlinghausen | 967.31 mi (1,556.73 km) |
| Alovera to Oestrich-Winkel | 847.20 mi (1,363.44 km) |
| Alovera to Offenburg | 772.43 mi (1,243.10 km) |
| Alovera to Oftersheim | 835.88 mi (1,345.21 km) |
| Alovera to Ohrdruf | 973.92 mi (1,567.37 km) |
| Alovera to Ohringen | 859.60 mi (1,383.40 km) |
| Alovera to Olbernhau | 1,056.77 mi (1,700.71 km) |
| Alovera to Olching | 888.06 mi (1,429.20 km) |
| Alovera to Oldenburg | 1,019.31 mi (1,640.41 km) |
| Alovera to Oldenburg in Holstein | 1,149.66 mi (1,850.19 km) |
| Alovera to Olfen | 919.43 mi (1,479.69 km) |
| Alovera to Olpe | 894.12 mi (1,438.95 km) |
| Alovera to Olsberg | 929.98 mi (1,496.66 km) |
| Alovera to Oranienburg | 1,141.97 mi (1,837.82 km) |
| Alovera to Ortenberg | 897.64 mi (1,444.61 km) |
