| Serpa to Solofra | 1,211.80 mi (1,950.21 km) |
| Serpa to Somma Lombardo | 992.27 mi (1,596.90 km) |
| Serpa to Somma Vesuviana | 1,190.34 mi (1,915.67 km) |
| Serpa to Sommacampagna | 1,078.94 mi (1,736.39 km) |
| Serpa to Sona | 1,079.06 mi (1,736.58 km) |
| Serpa to Sondrio | 1,057.59 mi (1,702.03 km) |
| Serpa to Sora | 1,152.26 mi (1,854.39 km) |
| Serpa to Sorbolo | 1,046.76 mi (1,684.60 km) |
| Serpa to Soresina | 1,031.42 mi (1,659.92 km) |
| Serpa to Sorisole | 1,035.38 mi (1,666.28 km) |
| Serpa to Sorrento | 1,186.38 mi (1,909.29 km) |
| Serpa to Sorso | 884.82 mi (1,423.99 km) |
| Serpa to Sortino | 1,237.79 mi (1,992.03 km) |
| Serpa to Soverato Marina | 1,306.38 mi (2,102.41 km) |
| Serpa to Sovicille | 1,051.52 mi (1,692.25 km) |
