| Westerlo to Serik | 1,613.82 mi (2,597.20 km) |
| Westerlo to Serinhisar | 1,510.74 mi (2,431.30 km) |
| Westerlo to Serinyol | 1,842.34 mi (2,964.95 km) |
| Westerlo to Seydisehir | 1,618.57 mi (2,604.83 km) |
| Westerlo to Seyhan | 1,778.15 mi (2,861.65 km) |
| Westerlo to Seyitgazi | 1,477.35 mi (2,377.56 km) |
| Westerlo to Siirt | 2,010.29 mi (3,235.25 km) |
| Westerlo to Sile | 1,356.77 mi (2,183.51 km) |
| Westerlo to Silifke | 1,751.10 mi (2,818.12 km) |
| Westerlo to Silivri | 1,306.23 mi (2,102.18 km) |
| Westerlo to Silopi | 2,062.12 mi (3,318.66 km) |
| Westerlo to Simav | 1,426.69 mi (2,296.04 km) |
| Westerlo to Sinanpasa | 1,492.07 mi (2,401.26 km) |
| Westerlo to Sindirgi | 1,387.86 mi (2,233.54 km) |
| Westerlo to Sinop | 1,552.76 mi (2,498.92 km) |
