| Naantali to Oria | 1,392.32 mi (2,240.72 km) |
| Naantali to Oristano | 1,533.13 mi (2,467.33 km) |
| Naantali to Orta Nova | 1,349.08 mi (2,171.14 km) |
| Naantali to Orte | 1,308.38 mi (2,105.63 km) |
| Naantali to Ortona | 1,292.21 mi (2,079.61 km) |
| Naantali to Orvieto | 1,294.80 mi (2,083.79 km) |
| Naantali to Orzinuovi | 1,152.32 mi (1,854.47 km) |
| Naantali to Osimo | 1,226.16 mi (1,973.32 km) |
| Naantali to Ospitaletto | 1,139.86 mi (1,834.43 km) |
| Naantali to Ostuni | 1,376.59 mi (2,215.40 km) |
| Naantali to Ottaviano | 1,393.06 mi (2,241.91 km) |
| Naantali to Ovada | 1,224.31 mi (1,970.34 km) |
| Naantali to Ozieri | 1,481.83 mi (2,384.78 km) |
| Naantali to Paceco | 1,607.53 mi (2,587.07 km) |
| Naantali to Pachino | 1,669.14 mi (2,686.22 km) |
