| Dunkirk to Sierpc | 4,286.33 mi (6,898.18 km) |
| Dunkirk to Skarzysko-Kamienna | 4,400.13 mi (7,081.32 km) |
| Dunkirk to Skawina | 4,407.43 mi (7,093.07 km) |
| Dunkirk to Skierniewice | 4,339.19 mi (6,983.24 km) |
| Dunkirk to Skoczow | 4,376.88 mi (7,043.91 km) |
| Dunkirk to Skwierzyna | 4,151.27 mi (6,680.82 km) |
| Dunkirk to Slawno | 4,127.97 mi (6,643.33 km) |
| Dunkirk to Slubice | 4,126.98 mi (6,641.74 km) |
| Dunkirk to Slupca | 4,246.25 mi (6,833.69 km) |
| Dunkirk to Slupsk | 4,136.12 mi (6,656.44 km) |
| Dunkirk to Sochaczew | 4,331.49 mi (6,970.85 km) |
| Dunkirk to Sokolka | 4,394.90 mi (7,072.90 km) |
| Dunkirk to Sokolow Podlaski | 4,393.99 mi (7,071.45 km) |
| Dunkirk to Solec Kujawski | 4,229.16 mi (6,806.17 km) |
| Dunkirk to Sopot | 4,188.76 mi (6,741.16 km) |
