| Asenovgrad to Setubal | 1,784.29 mi (2,871.54 km) |
| Asenovgrad to Sever do Vouga | 1,714.51 mi (2,759.24 km) |
| Asenovgrad to Silves | 1,792.45 mi (2,884.66 km) |
| Asenovgrad to Sines | 1,795.76 mi (2,889.99 km) |
| Asenovgrad to Sintra | 1,803.69 mi (2,902.76 km) |
| Asenovgrad to Sobrado de Paiva | 1,704.53 mi (2,743.17 km) |
| Asenovgrad to Sobral de Monte Agraco | 1,786.96 mi (2,875.83 km) |
| Asenovgrad to Soure | 1,740.11 mi (2,800.43 km) |
| Asenovgrad to Tabua | 1,703.74 mi (2,741.91 km) |
| Asenovgrad to Tavira | 1,753.71 mi (2,822.32 km) |
| Asenovgrad to Tomar | 1,737.60 mi (2,796.39 km) |
| Asenovgrad to Tondela | 1,703.78 mi (2,741.97 km) |
| Asenovgrad to Torre de Moncorvo | 1,644.45 mi (2,646.49 km) |
| Asenovgrad to Torres Novas | 1,746.17 mi (2,810.19 km) |
| Asenovgrad to Torres Vedras | 1,791.46 mi (2,883.07 km) |
