| Herndon to Fatima | 3,578.95 mi (5,759.77 km) |
| Herndon to Felgueiras | 3,556.04 mi (5,722.90 km) |
| Herndon to Ferreira do Zezere | 3,596.16 mi (5,787.46 km) |
| Herndon to Figueira da Foz | 3,556.03 mi (5,722.88 km) |
| Herndon to Funchal | 3,354.56 mi (5,398.64 km) |
| Herndon to Fundao | 3,622.30 mi (5,829.52 km) |
| Herndon to Gafanha da Nazare | 3,550.01 mi (5,713.18 km) |
| Herndon to Gondomar | 3,545.50 mi (5,705.94 km) |
| Herndon to Gouveia | 3,607.64 mi (5,805.93 km) |
| Herndon to Grandola | 3,624.02 mi (5,832.30 km) |
| Herndon to Guarda | 3,619.68 mi (5,825.31 km) |
| Herndon to Guimaraes | 3,549.10 mi (5,711.73 km) |
| Herndon to Horta | 2,594.82 mi (4,175.96 km) |
| Herndon to Idanha-a-Nova | 3,641.14 mi (5,859.85 km) |
| Herndon to Ilhavo | 3,553.21 mi (5,718.35 km) |
