| Montesilvano to Setubal | 1,237.11 mi (1,990.93 km) |
| Montesilvano to Sever do Vouga | 1,165.96 mi (1,876.42 km) |
| Montesilvano to Silves | 1,249.09 mi (2,010.22 km) |
| Montesilvano to Sines | 1,249.80 mi (2,011.37 km) |
| Montesilvano to Sintra | 1,255.85 mi (2,021.10 km) |
| Montesilvano to Sobrado de Paiva | 1,156.20 mi (1,860.72 km) |
| Montesilvano to Sobral de Monte Agraco | 1,238.91 mi (1,993.84 km) |
| Montesilvano to Soure | 1,191.42 mi (1,917.40 km) |
| Montesilvano to Tabua | 1,155.04 mi (1,858.86 km) |
| Montesilvano to Tavira | 1,211.54 mi (1,949.78 km) |
| Montesilvano to Tomar | 1,189.15 mi (1,913.75 km) |
| Montesilvano to Tondela | 1,155.10 mi (1,858.96 km) |
| Montesilvano to Torre de Moncorvo | 1,096.10 mi (1,764.01 km) |
| Montesilvano to Torres Novas | 1,197.81 mi (1,927.70 km) |
| Montesilvano to Torres Vedras | 1,243.31 mi (2,000.91 km) |
