| Sintra to Sangeorz-Bai | 1,801.40 mi (2,899.07 km) |
| Sintra to Sannicolau Mare | 1,599.08 mi (2,573.47 km) |
| Sintra to Santana | 1,643.71 mi (2,645.30 km) |
| Sintra to Satu Mare | 1,722.74 mi (2,772.48 km) |
| Sintra to Scobinti | 1,906.40 mi (3,068.06 km) |
| Sintra to Scornicesti | 1,782.35 mi (2,868.41 km) |
| Sintra to Sebes | 1,739.44 mi (2,799.35 km) |
| Sintra to Seini | 1,740.42 mi (2,800.93 km) |
| Sintra to Sfantu-Gheorghe | 1,845.40 mi (2,969.88 km) |
| Sintra to Sibiu | 1,766.50 mi (2,842.91 km) |
| Sintra to Sighetu Marmatiei | 1,770.13 mi (2,848.75 km) |
| Sintra to Sighisoara | 1,799.14 mi (2,895.44 km) |
| Sintra to Simeria | 1,711.98 mi (2,755.16 km) |
| Sintra to Sinaia | 1,832.61 mi (2,949.29 km) |
| Sintra to Slatina | 1,773.04 mi (2,853.43 km) |
