| Southborough to Fatima | 905.60 mi (1,457.42 km) |
| Southborough to Felgueiras | 787.07 mi (1,266.67 km) |
| Southborough to Ferreira do Zezere | 893.37 mi (1,437.74 km) |
| Southborough to Figueira da Foz | 877.37 mi (1,411.99 km) |
| Southborough to Funchal | 1,546.05 mi (2,488.13 km) |
| Southborough to Fundao | 848.05 mi (1,364.81 km) |
| Southborough to Gafanha da Nazare | 844.29 mi (1,358.76 km) |
| Southborough to Gondomar | 808.43 mi (1,301.04 km) |
| Southborough to Gouveia | 827.04 mi (1,330.99 km) |
| Southborough to Grandola | 995.11 mi (1,601.47 km) |
| Southborough to Guarda | 819.22 mi (1,318.40 km) |
| Southborough to Guimaraes | 784.44 mi (1,262.43 km) |
| Southborough to Horta | 1,646.71 mi (2,650.12 km) |
| Southborough to Idanha-a-Nova | 856.33 mi (1,378.13 km) |
| Southborough to Ilhavo | 845.30 mi (1,360.37 km) |
