| Alatri to Somma Lombardo | 358.41 mi (576.80 km) |
| Alatri to Somma Vesuviana | 81.86 mi (131.74 km) |
| Alatri to Sommacampagna | 282.87 mi (455.24 km) |
| Alatri to Sona | 285.29 mi (459.13 km) |
| Alatri to Sondrio | 352.24 mi (566.88 km) |
| Alatri to Sora | 14.19 mi (22.84 km) |
| Alatri to Sorbolo | 260.12 mi (418.62 km) |
| Alatri to Soresina | 301.68 mi (485.50 km) |
| Alatri to Sorisole | 332.65 mi (535.35 km) |
| Alatri to Sorrento | 92.88 mi (149.48 km) |
| Alatri to Sorso | 255.57 mi (411.30 km) |
| Alatri to Sortino | 327.61 mi (527.23 km) |
| Alatri to Soverato Marina | 269.83 mi (434.24 km) |
| Alatri to Sovicille | 152.06 mi (244.72 km) |
| Alatri to Spello | 93.78 mi (150.92 km) |
