| Smiltene to Solofra | 1,247.32 mi (2,007.37 km) |
| Smiltene to Somma Lombardo | 1,091.53 mi (1,756.65 km) |
| Smiltene to Somma Vesuviana | 1,252.08 mi (2,015.03 km) |
| Smiltene to Sommacampagna | 1,049.52 mi (1,689.04 km) |
| Smiltene to Sona | 1,048.01 mi (1,686.61 km) |
| Smiltene to Sondrio | 1,031.51 mi (1,660.06 km) |
| Smiltene to Sora | 1,213.10 mi (1,952.29 km) |
| Smiltene to Sorbolo | 1,092.34 mi (1,757.94 km) |
| Smiltene to Soresina | 1,082.26 mi (1,741.74 km) |
| Smiltene to Sorisole | 1,061.87 mi (1,708.92 km) |
| Smiltene to Sorrento | 1,269.10 mi (2,042.42 km) |
| Smiltene to Sorso | 1,382.18 mi (2,224.41 km) |
| Smiltene to Sortino | 1,485.70 mi (2,391.01 km) |
| Smiltene to Soverato Marina | 1,362.58 mi (2,192.86 km) |
| Smiltene to Sovicille | 1,166.63 mi (1,877.51 km) |
