| Ulstein to Orbetello | 1,393.42 mi (2,242.49 km) |
| Ulstein to Oria | 1,587.27 mi (2,554.46 km) |
| Ulstein to Oristano | 1,555.39 mi (2,503.16 km) |
| Ulstein to Orta Nova | 1,508.46 mi (2,427.64 km) |
| Ulstein to Orte | 1,400.31 mi (2,253.58 km) |
| Ulstein to Ortona | 1,425.71 mi (2,294.46 km) |
| Ulstein to Orvieto | 1,380.58 mi (2,221.82 km) |
| Ulstein to Orzinuovi | 1,182.73 mi (1,903.41 km) |
| Ulstein to Osimo | 1,340.00 mi (2,156.52 km) |
| Ulstein to Ospitaletto | 1,172.84 mi (1,887.51 km) |
| Ulstein to Ostuni | 1,571.00 mi (2,528.27 km) |
| Ulstein to Ottaviano | 1,528.22 mi (2,459.43 km) |
| Ulstein to Ovada | 1,229.23 mi (1,978.25 km) |
| Ulstein to Ozieri | 1,509.93 mi (2,430.01 km) |
| Ulstein to Paceco | 1,707.79 mi (2,748.42 km) |
