| Smartno to Sierpc | 519.47 mi (836.00 km) |
| Smartno to Skarzysko-Kamienna | 446.70 mi (718.89 km) |
| Smartno to Skawina | 356.49 mi (573.71 km) |
| Smartno to Skierniewice | 474.29 mi (763.30 km) |
| Smartno to Skoczow | 317.19 mi (510.47 km) |
| Smartno to Skwierzyna | 453.92 mi (730.51 km) |
| Smartno to Slawno | 580.07 mi (933.53 km) |
| Smartno to Slubice | 435.88 mi (701.48 km) |
| Smartno to Slupca | 453.15 mi (729.28 km) |
| Smartno to Slupsk | 589.74 mi (949.10 km) |
| Smartno to Sochaczew | 491.78 mi (791.44 km) |
| Smartno to Sokolka | 637.57 mi (1,026.07 km) |
| Smartno to Sokolow Podlaski | 551.19 mi (887.05 km) |
| Smartno to Solec Kujawski | 509.34 mi (819.71 km) |
| Smartno to Sopot | 603.38 mi (971.05 km) |
