| Senglea to Oerlinghausen | 1,147.52 mi (1,846.75 km) |
| Senglea to Oestrich-Winkel | 1,028.27 mi (1,654.84 km) |
| Senglea to Offenburg | 931.32 mi (1,498.82 km) |
| Senglea to Oftersheim | 978.39 mi (1,574.56 km) |
| Senglea to Ohrdruf | 1,049.27 mi (1,688.64 km) |
| Senglea to Ohringen | 954.03 mi (1,535.36 km) |
| Senglea to Olbernhau | 1,022.82 mi (1,646.07 km) |
| Senglea to Olching | 866.19 mi (1,393.99 km) |
| Senglea to Oldenburg | 1,230.88 mi (1,980.90 km) |
| Senglea to Oldenburg in Holstein | 1,284.02 mi (2,066.43 km) |
| Senglea to Olfen | 1,148.71 mi (1,848.67 km) |
| Senglea to Olpe | 1,096.62 mi (1,764.83 km) |
| Senglea to Olsberg | 1,109.19 mi (1,785.08 km) |
| Senglea to Oranienburg | 1,167.04 mi (1,878.17 km) |
| Senglea to Ortenberg | 1,036.17 mi (1,667.56 km) |
