| Estoril to Sangeorz-Bai | 1,805.19 mi (2,905.16 km) |
| Estoril to Sannicolau Mare | 1,602.65 mi (2,579.21 km) |
| Estoril to Santana | 1,647.33 mi (2,651.12 km) |
| Estoril to Satu Mare | 1,726.65 mi (2,778.77 km) |
| Estoril to Scobinti | 1,910.16 mi (3,074.10 km) |
| Estoril to Scornicesti | 1,785.51 mi (2,873.50 km) |
| Estoril to Sebes | 1,742.93 mi (2,804.98 km) |
| Estoril to Seini | 1,744.31 mi (2,807.20 km) |
| Estoril to Sfantu-Gheorghe | 1,848.84 mi (2,975.43 km) |
| Estoril to Sibiu | 1,769.95 mi (2,848.46 km) |
| Estoril to Sighetu Marmatiei | 1,774.05 mi (2,855.06 km) |
| Estoril to Sighisoara | 1,802.68 mi (2,901.13 km) |
| Estoril to Simeria | 1,715.45 mi (2,760.75 km) |
| Estoril to Sinaia | 1,835.94 mi (2,954.67 km) |
| Estoril to Slatina | 1,776.17 mi (2,858.47 km) |
