| Douai to Serik | 1,665.66 mi (2,680.62 km) |
| Douai to Serinhisar | 1,560.65 mi (2,511.63 km) |
| Douai to Serinyol | 1,901.60 mi (3,060.32 km) |
| Douai to Seydisehir | 1,673.02 mi (2,692.46 km) |
| Douai to Seyhan | 1,837.39 mi (2,956.99 km) |
| Douai to Seyitgazi | 1,534.93 mi (2,470.23 km) |
| Douai to Siirt | 2,079.97 mi (3,347.40 km) |
| Douai to Sile | 1,417.36 mi (2,281.01 km) |
| Douai to Silifke | 1,806.75 mi (2,907.68 km) |
| Douai to Silivri | 1,364.13 mi (2,195.35 km) |
| Douai to Silopi | 2,131.20 mi (3,429.83 km) |
| Douai to Simav | 1,480.12 mi (2,382.02 km) |
| Douai to Sinanpasa | 1,547.00 mi (2,489.65 km) |
| Douai to Sindirgi | 1,440.12 mi (2,317.66 km) |
| Douai to Sinop | 1,623.21 mi (2,612.31 km) |
