| Alesund to Orbetello | 1,399.50 mi (2,252.28 km) |
| Alesund to Oria | 1,590.92 mi (2,560.34 km) |
| Alesund to Oristano | 1,562.61 mi (2,514.77 km) |
| Alesund to Orta Nova | 1,512.79 mi (2,434.61 km) |
| Alesund to Orte | 1,405.90 mi (2,262.58 km) |
| Alesund to Ortona | 1,430.47 mi (2,302.12 km) |
| Alesund to Orvieto | 1,386.27 mi (2,230.98 km) |
| Alesund to Orzinuovi | 1,189.16 mi (1,913.76 km) |
| Alesund to Osimo | 1,345.03 mi (2,164.61 km) |
| Alesund to Ospitaletto | 1,179.20 mi (1,897.74 km) |
| Alesund to Ostuni | 1,574.64 mi (2,534.14 km) |
| Alesund to Ottaviano | 1,533.11 mi (2,467.30 km) |
| Alesund to Ovada | 1,236.27 mi (1,989.58 km) |
| Alesund to Ozieri | 1,516.98 mi (2,441.34 km) |
| Alesund to Paceco | 1,713.64 mi (2,757.83 km) |
