| Dogubayazit to Octeville | 2,315.51 mi (3,726.46 km) |
| Dogubayazit to Oignies | 2,112.30 mi (3,399.42 km) |
| Dogubayazit to Oissel | 2,192.58 mi (3,528.62 km) |
| Dogubayazit to Olivet | 2,154.67 mi (3,467.61 km) |
| Dogubayazit to Ollioules | 1,981.52 mi (3,188.95 km) |
| Dogubayazit to Olonne-sur-Mer | 2,331.24 mi (3,751.77 km) |
| Dogubayazit to Oloron-Sainte-Marie | 2,303.26 mi (3,706.74 km) |
| Dogubayazit to Onet Village | 2,134.39 mi (3,434.96 km) |
| Dogubayazit to Onnaing | 2,085.30 mi (3,355.97 km) |
| Dogubayazit to Orange | 2,026.62 mi (3,261.53 km) |
| Dogubayazit to Orchies | 2,101.36 mi (3,381.81 km) |
| Dogubayazit to Orleans | 2,154.27 mi (3,466.96 km) |
| Dogubayazit to Orly | 2,132.62 mi (3,432.12 km) |
| Dogubayazit to Ormesson-sur-Marne | 2,126.07 mi (3,421.59 km) |
| Dogubayazit to Orsay | 2,141.90 mi (3,447.06 km) |
