| Opatija to Setubal | 1,276.01 mi (2,053.53 km) |
| Opatija to Sever do Vouga | 1,183.62 mi (1,904.85 km) |
| Opatija to Silves | 1,302.25 mi (2,095.77 km) |
| Opatija to Sines | 1,294.25 mi (2,082.89 km) |
| Opatija to Sintra | 1,290.40 mi (2,076.69 km) |
| Opatija to Sobrado de Paiva | 1,170.81 mi (1,884.23 km) |
| Opatija to Sobral de Monte Agraco | 1,272.10 mi (2,047.24 km) |
| Opatija to Soure | 1,215.68 mi (1,956.45 km) |
| Opatija to Tabua | 1,177.77 mi (1,895.43 km) |
| Opatija to Tavira | 1,268.51 mi (2,041.46 km) |
| Opatija to Tomar | 1,218.81 mi (1,961.49 km) |
| Opatija to Tondela | 1,175.95 mi (1,892.51 km) |
| Opatija to Torre de Moncorvo | 1,111.82 mi (1,789.30 km) |
| Opatija to Torres Novas | 1,228.48 mi (1,977.06 km) |
| Opatija to Torres Vedras | 1,275.47 mi (2,052.67 km) |
