| Fitchburg to Sesimbra | 3,230.61 mi (5,199.16 km) |
| Fitchburg to Setubal | 3,238.22 mi (5,211.41 km) |
| Fitchburg to Sever do Vouga | 3,198.51 mi (5,147.51 km) |
| Fitchburg to Silves | 3,301.84 mi (5,313.79 km) |
| Fitchburg to Sines | 3,257.04 mi (5,241.69 km) |
| Fitchburg to Sintra | 3,205.86 mi (5,159.34 km) |
| Fitchburg to Sobrado de Paiva | 3,194.76 mi (5,141.48 km) |
| Fitchburg to Sobral de Monte Agraco | 3,210.78 mi (5,167.25 km) |
| Fitchburg to Soure | 3,205.41 mi (5,158.61 km) |
| Fitchburg to Tabua | 3,225.34 mi (5,190.69 km) |
| Fitchburg to Tavira | 3,342.63 mi (5,379.44 km) |
| Fitchburg to Tomar | 3,229.00 mi (5,196.58 km) |
| Fitchburg to Tondela | 3,218.24 mi (5,179.26 km) |
| Fitchburg to Torre de Moncorvo | 3,243.82 mi (5,220.42 km) |
| Fitchburg to Torres Novas | 3,227.33 mi (5,193.89 km) |
