| Castellana Grotte to Setubal | 1,389.61 mi (2,236.36 km) |
| Castellana Grotte to Sever do Vouga | 1,330.58 mi (2,141.37 km) |
| Castellana Grotte to Silves | 1,392.55 mi (2,241.09 km) |
| Castellana Grotte to Sines | 1,398.82 mi (2,251.18 km) |
| Castellana Grotte to Sintra | 1,410.67 mi (2,270.26 km) |
| Castellana Grotte to Sobrado de Paiva | 1,322.38 mi (2,128.17 km) |
| Castellana Grotte to Sobral de Monte Agraco | 1,394.68 mi (2,244.52 km) |
| Castellana Grotte to Soure | 1,352.49 mi (2,176.62 km) |
| Castellana Grotte to Tabua | 1,317.28 mi (2,119.96 km) |
| Castellana Grotte to Tavira | 1,352.93 mi (2,177.33 km) |
| Castellana Grotte to Tomar | 1,347.39 mi (2,168.42 km) |
| Castellana Grotte to Tondela | 1,318.28 mi (2,121.57 km) |
| Castellana Grotte to Torre de Moncorvo | 1,262.39 mi (2,031.61 km) |
| Castellana Grotte to Torres Novas | 1,355.42 mi (2,181.33 km) |
| Castellana Grotte to Torres Vedras | 1,399.60 mi (2,252.43 km) |
