| Ilhavo to Setubal | 143.92 mi (231.62 km) |
| Ilhavo to Sever do Vouga | 18.22 mi (29.32 km) |
| Ilhavo to Silves | 236.14 mi (380.03 km) |
| Ilhavo to Sines | 183.08 mi (294.64 km) |
| Ilhavo to Sintra | 130.20 mi (209.54 km) |
| Ilhavo to Sobrado de Paiva | 36.52 mi (58.77 km) |
| Ilhavo to Sobral de Monte Agraco | 112.30 mi (180.73 km) |
| Ilhavo to Soure | 38.04 mi (61.22 km) |
| Ilhavo to Tabua | 37.37 mi (60.15 km) |
| Ilhavo to Tavira | 246.81 mi (397.19 km) |
| Ilhavo to Tomar | 70.35 mi (113.21 km) |
| Ilhavo to Tondela | 31.16 mi (50.15 km) |
| Ilhavo to Torre de Moncorvo | 90.17 mi (145.12 km) |
| Ilhavo to Torres Novas | 78.62 mi (126.53 km) |
| Ilhavo to Torres Vedras | 109.52 mi (176.26 km) |
