| Estoril to Serik | 2,196.08 mi (3,534.26 km) |
| Estoril to Serinhisar | 2,086.97 mi (3,358.65 km) |
| Estoril to Serinyol | 2,477.68 mi (3,987.45 km) |
| Estoril to Seydisehir | 2,226.63 mi (3,583.42 km) |
| Estoril to Seyhan | 2,419.12 mi (3,893.19 km) |
| Estoril to Seyitgazi | 2,133.15 mi (3,432.97 km) |
| Estoril to Siirt | 2,746.44 mi (4,419.97 km) |
| Estoril to Sile | 2,056.34 mi (3,309.36 km) |
| Estoril to Silifke | 2,357.22 mi (3,793.58 km) |
| Estoril to Silivri | 1,986.99 mi (3,197.75 km) |
| Estoril to Silopi | 2,788.25 mi (4,487.26 km) |
| Estoril to Simav | 2,048.57 mi (3,296.85 km) |
| Estoril to Sinanpasa | 2,119.98 mi (3,411.78 km) |
| Estoril to Sindirgi | 2,003.98 mi (3,225.10 km) |
| Estoril to Sinop | 2,329.96 mi (3,749.71 km) |
