| Castelo Branco to Sosnowiec | 1,476.13 mi (2,375.60 km) |
| Castelo Branco to Srem | 1,439.59 mi (2,316.80 km) |
| Castelo Branco to Sroda Slaska | 1,394.91 mi (2,244.90 km) |
| Castelo Branco to Sroda Wielkopolska | 1,454.23 mi (2,340.35 km) |
| Castelo Branco to Stalowa Wola | 1,604.43 mi (2,582.08 km) |
| Castelo Branco to Starachowice | 1,573.32 mi (2,532.01 km) |
| Castelo Branco to Stargard Szczecinski | 1,410.05 mi (2,269.25 km) |
| Castelo Branco to Starogard Gdanski | 1,555.26 mi (2,502.96 km) |
| Castelo Branco to Stary Sacz | 1,525.21 mi (2,454.59 km) |
| Castelo Branco to Staszow | 1,567.24 mi (2,522.23 km) |
| Castelo Branco to Strzegom | 1,380.04 mi (2,220.95 km) |
| Castelo Branco to Strzelce Krajenskie | 1,410.61 mi (2,270.15 km) |
| Castelo Branco to Strzelce Opolskie | 1,446.01 mi (2,327.13 km) |
| Castelo Branco to Strzelin | 1,403.86 mi (2,259.30 km) |
| Castelo Branco to Strzyzow | 1,580.46 mi (2,543.50 km) |
