| Flekkefjord to Oberkirch | 677.10 mi (1,089.69 km) |
| Flekkefjord to Obernburg am Main | 592.81 mi (954.03 km) |
| Flekkefjord to Obernkirchen | 427.67 mi (688.27 km) |
| Flekkefjord to Oberschleissheim | 722.69 mi (1,163.06 km) |
| Flekkefjord to Oberstdorf | 766.96 mi (1,234.30 km) |
| Flekkefjord to Obertraubling | 682.50 mi (1,098.37 km) |
| Flekkefjord to Obertshausen | 575.32 mi (925.89 km) |
| Flekkefjord to Oberursel | 564.48 mi (908.45 km) |
| Flekkefjord to Ochsenfurt | 613.07 mi (986.64 km) |
| Flekkefjord to Ochsenhausen | 719.24 mi (1,157.50 km) |
| Flekkefjord to Ochtrup | 421.38 mi (678.15 km) |
| Flekkefjord to Odenthal | 502.19 mi (808.20 km) |
| Flekkefjord to Oelde | 450.44 mi (724.91 km) |
| Flekkefjord to Oelsnitz | 587.41 mi (945.34 km) |
| Flekkefjord to Oer-Erkenschwick | 460.39 mi (740.92 km) |
