| Daugavpils to Orbetello | 1,152.60 mi (1,854.93 km) |
| Daugavpils to Oria | 1,136.51 mi (1,829.04 km) |
| Daugavpils to Oristano | 1,372.76 mi (2,209.24 km) |
| Daugavpils to Orta Nova | 1,116.96 mi (1,797.58 km) |
| Daugavpils to Orte | 1,121.21 mi (1,804.41 km) |
| Daugavpils to Ortona | 1,080.21 mi (1,738.42 km) |
| Daugavpils to Orvieto | 1,112.72 mi (1,790.75 km) |
| Daugavpils to Orzinuovi | 1,021.20 mi (1,643.45 km) |
| Daugavpils to Osimo | 1,032.40 mi (1,661.48 km) |
| Daugavpils to Ospitaletto | 1,008.59 mi (1,623.17 km) |
| Daugavpils to Ostuni | 1,122.00 mi (1,805.68 km) |
| Daugavpils to Ottaviano | 1,172.62 mi (1,887.15 km) |
| Daugavpils to Ovada | 1,101.57 mi (1,772.81 km) |
| Daugavpils to Ozieri | 1,321.34 mi (2,126.49 km) |
| Daugavpils to Paceco | 1,395.25 mi (2,245.43 km) |
