| Ornskoldsvik to Orbetello | 1,471.96 mi (2,368.88 km) |
| Ornskoldsvik to Oria | 1,575.31 mi (2,535.22 km) |
| Ornskoldsvik to Oristano | 1,668.48 mi (2,685.16 km) |
| Ornskoldsvik to Orta Nova | 1,522.19 mi (2,449.73 km) |
| Ornskoldsvik to Orte | 1,461.58 mi (2,352.19 km) |
| Ornskoldsvik to Ortona | 1,457.27 mi (2,345.24 km) |
| Ornskoldsvik to Orvieto | 1,445.91 mi (2,326.97 km) |
| Ornskoldsvik to Orzinuovi | 1,282.96 mi (2,064.72 km) |
| Ornskoldsvik to Osimo | 1,384.35 mi (2,227.90 km) |
| Ornskoldsvik to Ospitaletto | 1,271.02 mi (2,045.51 km) |
| Ornskoldsvik to Ostuni | 1,559.26 mi (2,509.38 km) |
| Ornskoldsvik to Ottaviano | 1,560.12 mi (2,510.77 km) |
| Ornskoldsvik to Ovada | 1,348.35 mi (2,169.96 km) |
| Ornskoldsvik to Ozieri | 1,618.26 mi (2,604.34 km) |
| Ornskoldsvik to Paceco | 1,767.46 mi (2,844.45 km) |
