| Douai to Santeramo in Colle | 932.77 mi (1,501.15 km) |
| Douai to Santo Stefano di Magra | 534.99 mi (860.98 km) |
| Douai to Santo Stino di Livenza | 546.49 mi (879.50 km) |
| Douai to Sarezzo | 462.99 mi (745.12 km) |
| Douai to Sarno | 862.21 mi (1,387.59 km) |
| Douai to Saronno | 427.94 mi (688.71 km) |
| Douai to Sarzana | 539.04 mi (867.50 km) |
| Douai to Sassari | 716.69 mi (1,153.40 km) |
| Douai to Sasso Marconi | 561.75 mi (904.05 km) |
| Douai to Sassuolo | 539.11 mi (867.61 km) |
| Douai to Sava | 981.01 mi (1,578.79 km) |
| Douai to Saviano | 853.55 mi (1,373.65 km) |
| Douai to Savigliano | 448.60 mi (721.95 km) |
| Douai to Savignano sul Panaro | 550.49 mi (885.93 km) |
| Douai to Savignano sul Rubicone | 615.08 mi (989.87 km) |
