| Flekkefjord to Orbetello | 1,113.24 mi (1,791.58 km) |
| Flekkefjord to Oria | 1,321.00 mi (2,125.95 km) |
| Flekkefjord to Oristano | 1,273.57 mi (2,049.62 km) |
| Flekkefjord to Orta Nova | 1,237.17 mi (1,991.03 km) |
| Flekkefjord to Orte | 1,121.92 mi (1,805.56 km) |
| Flekkefjord to Ortona | 1,151.71 mi (1,853.50 km) |
| Flekkefjord to Orvieto | 1,101.81 mi (1,773.20 km) |
| Flekkefjord to Orzinuovi | 901.70 mi (1,451.15 km) |
| Flekkefjord to Osimo | 1,064.53 mi (1,713.20 km) |
| Flekkefjord to Ospitaletto | 892.00 mi (1,435.54 km) |
| Flekkefjord to Ostuni | 1,304.86 mi (2,099.97 km) |
| Flekkefjord to Ottaviano | 1,253.32 mi (2,017.03 km) |
| Flekkefjord to Ovada | 947.42 mi (1,524.72 km) |
| Flekkefjord to Ozieri | 1,228.12 mi (1,976.46 km) |
| Flekkefjord to Paceco | 1,428.26 mi (2,298.56 km) |
