| Dogubayazit to Orbetello | 1,715.03 mi (2,760.07 km) |
| Dogubayazit to Oria | 1,395.78 mi (2,246.29 km) |
| Dogubayazit to Oristano | 1,873.60 mi (3,015.28 km) |
| Dogubayazit to Orta Nova | 1,490.40 mi (2,398.57 km) |
| Dogubayazit to Orte | 1,655.25 mi (2,663.87 km) |
| Dogubayazit to Ortona | 1,553.12 mi (2,499.51 km) |
| Dogubayazit to Orvieto | 1,668.14 mi (2,684.61 km) |
| Dogubayazit to Orzinuovi | 1,772.48 mi (2,852.54 km) |
| Dogubayazit to Osimo | 1,597.00 mi (2,570.13 km) |
| Dogubayazit to Ospitaletto | 1,765.92 mi (2,841.98 km) |
| Dogubayazit to Ostuni | 1,396.80 mi (2,247.94 km) |
| Dogubayazit to Ottaviano | 1,557.58 mi (2,506.68 km) |
| Dogubayazit to Ovada | 1,835.58 mi (2,954.08 km) |
| Dogubayazit to Ozieri | 1,844.00 mi (2,967.64 km) |
| Dogubayazit to Paceco | 1,693.55 mi (2,725.50 km) |
