| Acqui Terme to Somma Lombardo | 70.50 mi (113.45 km) |
| Acqui Terme to Somma Vesuviana | 400.66 mi (644.80 km) |
| Acqui Terme to Sommacampagna | 126.56 mi (203.69 km) |
| Acqui Terme to Sona | 126.72 mi (203.93 km) |
| Acqui Terme to Sondrio | 123.56 mi (198.85 km) |
| Acqui Terme to Sora | 330.11 mi (531.27 km) |
| Acqui Terme to Sorbolo | 97.84 mi (157.47 km) |
| Acqui Terme to Soresina | 79.89 mi (128.57 km) |
| Acqui Terme to Sorisole | 93.39 mi (150.29 km) |
| Acqui Terme to Sorrento | 410.02 mi (659.86 km) |
| Acqui Terme to Sorso | 267.99 mi (431.28 km) |
| Acqui Terme to Sortino | 621.34 mi (999.95 km) |
| Acqui Terme to Soverato Marina | 587.11 mi (944.86 km) |
| Acqui Terme to Sovicille | 167.78 mi (270.01 km) |
| Acqui Terme to Spello | 239.72 mi (385.79 km) |
