| Quarteira to Sangeorz-Bai | 1,805.27 mi (2,905.31 km) |
| Quarteira to Sannicolau Mare | 1,598.14 mi (2,571.96 km) |
| Quarteira to Santana | 1,643.85 mi (2,645.51 km) |
| Quarteira to Satu Mare | 1,730.13 mi (2,784.37 km) |
| Quarteira to Scobinti | 1,909.23 mi (3,072.61 km) |
| Quarteira to Scornicesti | 1,770.87 mi (2,849.94 km) |
| Quarteira to Sebes | 1,736.10 mi (2,793.98 km) |
| Quarteira to Seini | 1,747.28 mi (2,811.97 km) |
| Quarteira to Sfantu-Gheorghe | 1,840.64 mi (2,962.22 km) |
| Quarteira to Sibiu | 1,761.96 mi (2,835.60 km) |
| Quarteira to Sighetu Marmatiei | 1,777.55 mi (2,860.69 km) |
| Quarteira to Sighisoara | 1,796.67 mi (2,891.47 km) |
| Quarteira to Simeria | 1,708.29 mi (2,749.22 km) |
| Quarteira to Sinaia | 1,825.15 mi (2,937.30 km) |
| Quarteira to Slatina | 1,760.83 mi (2,833.78 km) |
