| Priolo Gargallo to Settimo Torinese | 671.56 mi (1,080.77 km) |
| Priolo Gargallo to Seveso | 663.74 mi (1,068.19 km) |
| Priolo Gargallo to Sezze | 320.03 mi (515.03 km) |
| Priolo Gargallo to Siano | 252.58 mi (406.48 km) |
| Priolo Gargallo to Siena | 470.95 mi (757.92 km) |
| Priolo Gargallo to Signa | 504.86 mi (812.50 km) |
| Priolo Gargallo to Silea | 605.12 mi (973.85 km) |
| Priolo Gargallo to Silvi Paese | 376.22 mi (605.46 km) |
| Priolo Gargallo to Sinalunga | 455.84 mi (733.61 km) |
| Priolo Gargallo to Siniscola | 377.43 mi (607.42 km) |
| Priolo Gargallo to Sinnai | 356.43 mi (573.62 km) |
| Priolo Gargallo to Siracusa | 8.85 mi (14.24 km) |
| Priolo Gargallo to Solaro | 663.36 mi (1,067.57 km) |
| Priolo Gargallo to Soliera | 568.17 mi (914.38 km) |
| Priolo Gargallo to Solofra | 253.97 mi (408.72 km) |
