| Kuressaare to Oria | 1,244.88 mi (2,003.43 km) |
| Kuressaare to Oristano | 1,408.43 mi (2,266.65 km) |
| Kuressaare to Orta Nova | 1,205.94 mi (1,940.77 km) |
| Kuressaare to Orte | 1,175.27 mi (1,891.42 km) |
| Kuressaare to Ortona | 1,153.10 mi (1,855.74 km) |
| Kuressaare to Orvieto | 1,162.90 mi (1,871.50 km) |
| Kuressaare to Orzinuovi | 1,033.31 mi (1,662.95 km) |
| Kuressaare to Osimo | 1,090.90 mi (1,755.64 km) |
| Kuressaare to Ospitaletto | 1,020.69 mi (1,642.63 km) |
| Kuressaare to Ostuni | 1,229.31 mi (1,978.38 km) |
| Kuressaare to Ottaviano | 1,252.56 mi (2,015.80 km) |
| Kuressaare to Ovada | 1,108.51 mi (1,783.98 km) |
| Kuressaare to Ozieri | 1,356.83 mi (2,183.60 km) |
| Kuressaare to Paceco | 1,469.71 mi (2,365.26 km) |
| Kuressaare to Pachino | 1,525.08 mi (2,454.39 km) |
