| Castel Gandolfo to Skarzysko-Kamienna | 756.56 mi (1,217.56 km) |
| Castel Gandolfo to Skawina | 665.05 mi (1,070.30 km) |
| Castel Gandolfo to Skierniewice | 789.01 mi (1,269.80 km) |
| Castel Gandolfo to Skoczow | 629.65 mi (1,013.32 km) |
| Castel Gandolfo to Skwierzyna | 761.56 mi (1,225.60 km) |
| Castel Gandolfo to Slawno | 890.58 mi (1,433.25 km) |
| Castel Gandolfo to Slubice | 738.06 mi (1,187.79 km) |
| Castel Gandolfo to Slupca | 768.90 mi (1,237.42 km) |
| Castel Gandolfo to Slupsk | 901.25 mi (1,450.42 km) |
| Castel Gandolfo to Sochaczew | 806.81 mi (1,298.44 km) |
| Castel Gandolfo to Sokolka | 948.42 mi (1,526.33 km) |
| Castel Gandolfo to Sokolow Podlaski | 861.91 mi (1,387.11 km) |
| Castel Gandolfo to Solec Kujawski | 824.96 mi (1,327.65 km) |
| Castel Gandolfo to Sopot | 918.35 mi (1,477.94 km) |
| Castel Gandolfo to Sosnowiec | 666.17 mi (1,072.10 km) |
