| Flekkefjord to Oerlinghausen | 444.45 mi (715.27 km) |
| Flekkefjord to Oestrich-Winkel | 575.79 mi (926.64 km) |
| Flekkefjord to Offenburg | 681.19 mi (1,096.27 km) |
| Flekkefjord to Oftersheim | 621.65 mi (1,000.46 km) |
| Flekkefjord to Ohrdruf | 540.98 mi (870.62 km) |
| Flekkefjord to Ohringen | 639.01 mi (1,028.38 km) |
| Flekkefjord to Olbernhau | 590.68 mi (950.61 km) |
| Flekkefjord to Olching | 723.27 mi (1,163.99 km) |
| Flekkefjord to Oldenburg | 361.11 mi (581.15 km) |
| Flekkefjord to Oldenburg in Holstein | 319.98 mi (514.96 km) |
| Flekkefjord to Olfen | 455.54 mi (733.13 km) |
| Flekkefjord to Olpe | 505.17 mi (813.00 km) |
| Flekkefjord to Olsberg | 485.39 mi (781.16 km) |
| Flekkefjord to Oranienburg | 460.85 mi (741.67 km) |
| Flekkefjord to Ortenberg | 557.01 mi (896.42 km) |
