| Prienai to Octeville | 1,131.61 mi (1,821.16 km) |
| Prienai to Oignies | 921.84 mi (1,483.56 km) |
| Prienai to Oissel | 1,033.07 mi (1,662.56 km) |
| Prienai to Olivet | 1,055.76 mi (1,699.09 km) |
| Prienai to Ollioules | 1,136.71 mi (1,829.36 km) |
| Prienai to Olonne-sur-Mer | 1,249.52 mi (2,010.91 km) |
| Prienai to Oloron-Sainte-Marie | 1,354.97 mi (2,180.62 km) |
| Prienai to Onet Village | 1,184.17 mi (1,905.74 km) |
| Prienai to Onnaing | 900.55 mi (1,449.30 km) |
| Prienai to Orange | 1,118.83 mi (1,800.59 km) |
| Prienai to Orchies | 911.79 mi (1,467.39 km) |
| Prienai to Orleans | 1,053.93 mi (1,696.14 km) |
| Prienai to Orly | 1,003.49 mi (1,614.96 km) |
| Prienai to Ormesson-sur-Marne | 996.34 mi (1,603.45 km) |
| Prienai to Orsay | 1,013.10 mi (1,630.43 km) |
