| Naantali to Settimo Torinese | 1,209.63 mi (1,946.72 km) |
| Naantali to Seveso | 1,151.03 mi (1,852.41 km) |
| Naantali to Sezze | 1,364.36 mi (2,195.72 km) |
| Naantali to Siano | 1,394.18 mi (2,243.71 km) |
| Naantali to Siena | 1,265.91 mi (2,037.28 km) |
| Naantali to Signa | 1,238.68 mi (1,993.46 km) |
| Naantali to Silea | 1,097.64 mi (1,766.47 km) |
| Naantali to Silvi Paese | 1,281.71 mi (2,062.71 km) |
| Naantali to Sinalunga | 1,266.86 mi (2,038.81 km) |
| Naantali to Siniscola | 1,471.73 mi (2,368.52 km) |
| Naantali to Sinnai | 1,563.40 mi (2,516.05 km) |
| Naantali to Siracusa | 1,643.54 mi (2,645.03 km) |
| Naantali to Solaro | 1,153.84 mi (1,856.93 km) |
| Naantali to Soliera | 1,178.76 mi (1,897.03 km) |
| Naantali to Solofra | 1,390.61 mi (2,237.98 km) |
