| Douai to Ordu | 1,781.17 mi (2,866.52 km) |
| Douai to Ortahisar | 1,745.93 mi (2,809.80 km) |
| Douai to Ortakent | 1,505.46 mi (2,422.80 km) |
| Douai to Ortaklar | 1,475.87 mi (2,375.19 km) |
| Douai to Ortakoy | 1,705.92 mi (2,745.42 km) |
| Douai to Ortakoy | 1,694.69 mi (2,727.34 km) |
| Douai to Osmaneli | 1,468.24 mi (2,362.90 km) |
| Douai to Osmaniye | 1,871.91 mi (3,012.54 km) |
| Douai to Ozdere | 1,454.82 mi (2,341.30 km) |
| Douai to Palu | 1,961.12 mi (3,156.12 km) |
| Douai to Pamukkale | 1,538.78 mi (2,476.42 km) |
| Douai to Patnos | 2,066.94 mi (3,326.42 km) |
| Douai to Pazar | 1,740.73 mi (2,801.43 km) |
| Douai to Pazarcik | 1,898.28 mi (3,054.99 km) |
| Douai to Pazaryeri | 1,478.08 mi (2,378.75 km) |
