| Douai to Sangeorz-Bai | 999.53 mi (1,608.59 km) |
| Douai to Sannicolau Mare | 857.78 mi (1,380.46 km) |
| Douai to Santana | 887.38 mi (1,428.10 km) |
| Douai to Satu Mare | 911.20 mi (1,466.44 km) |
| Douai to Scobinti | 1,098.41 mi (1,767.73 km) |
| Douai to Scornicesti | 1,075.11 mi (1,730.21 km) |
| Douai to Sebes | 988.51 mi (1,590.85 km) |
| Douai to Seini | 929.53 mi (1,495.93 km) |
| Douai to Sfantu-Gheorghe | 1,087.87 mi (1,750.75 km) |
| Douai to Sibiu | 1,018.74 mi (1,639.51 km) |
| Douai to Sighetu Marmatiei | 952.32 mi (1,532.61 km) |
| Douai to Sighisoara | 1,034.26 mi (1,664.48 km) |
| Douai to Simeria | 967.54 mi (1,557.11 km) |
| Douai to Sinaia | 1,092.99 mi (1,758.99 km) |
| Douai to Slatina | 1,071.97 mi (1,725.17 km) |
