| Castel Gandolfo to Solymar | 507.75 mi (817.15 km) |
| Castel Gandolfo to Sopron | 453.26 mi (729.45 km) |
| Castel Gandolfo to Szarvas | 526.43 mi (847.20 km) |
| Castel Gandolfo to Szazhalombatta | 491.98 mi (791.76 km) |
| Castel Gandolfo to Szeged | 485.12 mi (780.73 km) |
| Castel Gandolfo to Szeghalom | 556.05 mi (894.88 km) |
| Castel Gandolfo to Szekesfehervar | 471.20 mi (758.32 km) |
| Castel Gandolfo to Szekszard | 437.61 mi (704.27 km) |
| Castel Gandolfo to Szentendre | 517.93 mi (833.53 km) |
| Castel Gandolfo to Szentes | 506.29 mi (814.80 km) |
| Castel Gandolfo to Szentgotthard | 401.51 mi (646.16 km) |
| Castel Gandolfo to Szigethalom | 495.66 mi (797.69 km) |
| Castel Gandolfo to Szigetszentmiklos | 498.48 mi (802.23 km) |
| Castel Gandolfo to Szigetvar | 392.22 mi (631.22 km) |
| Castel Gandolfo to Szolnok | 527.79 mi (849.40 km) |
