| Gadsden to Sesimbra | 4,169.65 mi (6,710.40 km) |
| Gadsden to Setubal | 4,177.99 mi (6,723.82 km) |
| Gadsden to Sever do Vouga | 4,148.63 mi (6,676.58 km) |
| Gadsden to Silves | 4,235.83 mi (6,816.90 km) |
| Gadsden to Sines | 4,194.09 mi (6,749.74 km) |
| Gadsden to Sintra | 4,146.13 mi (6,672.56 km) |
| Gadsden to Sobrado de Paiva | 4,146.16 mi (6,672.60 km) |
| Gadsden to Sobral de Monte Agraco | 4,152.45 mi (6,682.73 km) |
| Gadsden to Soure | 4,152.41 mi (6,682.66 km) |
| Gadsden to Tabua | 4,174.41 mi (6,718.07 km) |
| Gadsden to Tavira | 4,277.75 mi (6,884.37 km) |
| Gadsden to Tomar | 4,174.39 mi (6,718.03 km) |
| Gadsden to Tondela | 4,167.86 mi (6,707.53 km) |
| Gadsden to Torre de Moncorvo | 4,197.13 mi (6,754.64 km) |
| Gadsden to Torres Novas | 4,171.97 mi (6,714.13 km) |
