| Castel Gandolfo to Santeramo in Colle | 223.44 mi (359.59 km) |
| Castel Gandolfo to Santo Stefano di Magra | 216.79 mi (348.89 km) |
| Castel Gandolfo to Santo Stino di Livenza | 275.44 mi (443.27 km) |
| Castel Gandolfo to Sarezzo | 296.15 mi (476.61 km) |
| Castel Gandolfo to Sarno | 120.57 mi (194.04 km) |
| Castel Gandolfo to Saronno | 323.09 mi (519.96 km) |
| Castel Gandolfo to Sarzana | 212.78 mi (342.43 km) |
| Castel Gandolfo to Sassari | 224.00 mi (360.49 km) |
| Castel Gandolfo to Sasso Marconi | 196.48 mi (316.21 km) |
| Castel Gandolfo to Sassuolo | 215.41 mi (346.66 km) |
| Castel Gandolfo to Sava | 272.33 mi (438.27 km) |
| Castel Gandolfo to Saviano | 112.47 mi (181.01 km) |
| Castel Gandolfo to Savigliano | 322.59 mi (519.15 km) |
| Castel Gandolfo to Savignano sul Panaro | 205.93 mi (331.41 km) |
| Castel Gandolfo to Savignano sul Rubicone | 162.29 mi (261.18 km) |
