| Kaunas to Orbetello | 1,033.49 mi (1,663.25 km) |
| Kaunas to Oria | 1,035.36 mi (1,666.24 km) |
| Kaunas to Oristano | 1,252.81 mi (2,016.20 km) |
| Kaunas to Orta Nova | 1,008.73 mi (1,623.39 km) |
| Kaunas to Orte | 1,003.91 mi (1,615.64 km) |
| Kaunas to Ortona | 967.14 mi (1,556.46 km) |
| Kaunas to Orvieto | 994.65 mi (1,600.73 km) |
| Kaunas to Orzinuovi | 898.03 mi (1,445.24 km) |
| Kaunas to Osimo | 915.73 mi (1,473.73 km) |
| Kaunas to Ospitaletto | 885.40 mi (1,424.92 km) |
| Kaunas to Ostuni | 1,020.37 mi (1,642.13 km) |
| Kaunas to Ottaviano | 1,061.81 mi (1,708.82 km) |
| Kaunas to Ovada | 978.19 mi (1,574.24 km) |
| Kaunas to Ozieri | 1,201.27 mi (1,933.26 km) |
| Kaunas to Paceco | 1,283.49 mi (2,065.58 km) |
