| Gdynia to Orbetello | 897.09 mi (1,443.73 km) |
| Gdynia to Oria | 968.20 mi (1,558.16 km) |
| Gdynia to Oristano | 1,108.59 mi (1,784.11 km) |
| Gdynia to Orta Nova | 919.05 mi (1,479.06 km) |
| Gdynia to Orte | 877.39 mi (1,412.02 km) |
| Gdynia to Ortona | 860.23 mi (1,384.40 km) |
| Gdynia to Orvieto | 864.42 mi (1,391.15 km) |
| Gdynia to Orzinuovi | 734.67 mi (1,182.33 km) |
| Gdynia to Osimo | 794.35 mi (1,278.38 km) |
| Gdynia to Ospitaletto | 722.01 mi (1,161.96 km) |
| Gdynia to Ostuni | 952.19 mi (1,532.41 km) |
| Gdynia to Ottaviano | 961.40 mi (1,547.23 km) |
| Gdynia to Ovada | 810.98 mi (1,305.14 km) |
| Gdynia to Ozieri | 1,056.99 mi (1,701.06 km) |
| Gdynia to Paceco | 1,175.42 mi (1,891.65 km) |
