| Herndon to Glyka Nera | 5,145.37 mi (8,280.67 km) |
| Herndon to Grevena | 4,954.69 mi (7,973.81 km) |
| Herndon to Ialysos | 5,397.94 mi (8,687.14 km) |
| Herndon to Ilion | 5,137.22 mi (8,267.56 km) |
| Herndon to Ilioupoli | 5,143.60 mi (8,277.82 km) |
| Herndon to Ioannina | 4,947.06 mi (7,961.52 km) |
| Herndon to Irakleio | 5,314.76 mi (8,553.28 km) |
| Herndon to Irakleio | 5,139.39 mi (8,271.05 km) |
| Herndon to Kaisariani | 5,142.48 mi (8,276.02 km) |
| Herndon to Kalamaria | 4,998.94 mi (8,045.01 km) |
| Herndon to Kalamata | 5,109.71 mi (8,223.28 km) |
| Herndon to Kallithea | 5,140.73 mi (8,273.21 km) |
| Herndon to Kalymnos | 5,322.99 mi (8,566.52 km) |
| Herndon to Kalyvia Thorikou | 5,155.01 mi (8,296.19 km) |
| Herndon to Kamatero | 5,136.63 mi (8,266.60 km) |
