| Herndon to Isny im Allgau | 4,197.49 mi (6,755.21 km) |
| Herndon to Isselburg | 3,932.35 mi (6,328.51 km) |
| Herndon to Issum | 3,938.52 mi (6,338.43 km) |
| Herndon to Itzehoe | 3,992.78 mi (6,425.76 km) |
| Herndon to Jena | 4,159.12 mi (6,693.46 km) |
| Herndon to Jever | 3,941.49 mi (6,343.21 km) |
| Herndon to Jork | 4,009.78 mi (6,453.11 km) |
| Herndon to Juchen | 3,953.44 mi (6,362.44 km) |
| Herndon to Julich | 3,952.57 mi (6,361.04 km) |
| Herndon to Juterbog | 4,183.41 mi (6,732.55 km) |
| Herndon to Kaarst | 3,954.88 mi (6,364.76 km) |
| Herndon to Kaiserslautern | 4,051.12 mi (6,519.65 km) |
| Herndon to Kalkar | 3,927.99 mi (6,321.49 km) |
| Herndon to Kall | 3,970.45 mi (6,389.82 km) |
| Herndon to Kaltenkirchen | 4,011.71 mi (6,456.22 km) |
