| Kopervik to Orbetello | 1,190.66 mi (1,916.19 km) |
| Kopervik to Oria | 1,403.62 mi (2,258.91 km) |
| Kopervik to Oristano | 1,346.32 mi (2,166.69 km) |
| Kopervik to Orta Nova | 1,318.87 mi (2,122.52 km) |
| Kopervik to Orte | 1,200.87 mi (1,932.62 km) |
| Kopervik to Ortona | 1,232.69 mi (1,983.82 km) |
| Kopervik to Orvieto | 1,180.51 mi (1,899.85 km) |
| Kopervik to Orzinuovi | 978.16 mi (1,574.20 km) |
| Kopervik to Osimo | 1,145.03 mi (1,842.76 km) |
| Kopervik to Ospitaletto | 968.76 mi (1,559.07 km) |
| Kopervik to Ostuni | 1,387.50 mi (2,232.96 km) |
| Kopervik to Ottaviano | 1,333.93 mi (2,146.75 km) |
| Kopervik to Ovada | 1,021.24 mi (1,643.53 km) |
| Kopervik to Ozieri | 1,301.67 mi (2,094.84 km) |
| Kopervik to Paceco | 1,506.15 mi (2,423.91 km) |
