| Isabela to Sierpc | 5,069.90 mi (8,159.21 km) |
| Isabela to Skarzysko-Kamienna | 5,142.68 mi (8,276.35 km) |
| Isabela to Skawina | 5,109.56 mi (8,223.04 km) |
| Isabela to Skierniewice | 5,100.11 mi (8,207.84 km) |
| Isabela to Skoczow | 5,065.76 mi (8,152.55 km) |
| Isabela to Skwierzyna | 4,899.53 mi (7,885.04 km) |
| Isabela to Slawno | 4,935.09 mi (7,942.25 km) |
| Isabela to Slubice | 4,862.07 mi (7,824.74 km) |
| Isabela to Slupca | 5,000.93 mi (8,048.22 km) |
| Isabela to Slupsk | 4,948.44 mi (7,963.75 km) |
| Isabela to Sochaczew | 5,100.56 mi (8,208.56 km) |
| Isabela to Sokolka | 5,219.84 mi (8,400.52 km) |
| Isabela to Sokolow Podlaski | 5,182.33 mi (8,340.16 km) |
| Isabela to Solec Kujawski | 5,008.90 mi (8,061.05 km) |
| Isabela to Sopot | 5,009.88 mi (8,062.61 km) |
