| Herndon to Karis | 4,278.28 mi (6,885.22 km) |
| Herndon to Karkkila | 4,278.58 mi (6,885.71 km) |
| Herndon to Kauhajoki | 4,156.06 mi (6,688.53 km) |
| Herndon to Kauhava | 4,159.11 mi (6,693.44 km) |
| Herndon to Kauniainen | 4,304.90 mi (6,928.07 km) |
| Herndon to Kemi | 4,112.61 mi (6,618.60 km) |
| Herndon to Kemijarvi | 4,149.77 mi (6,678.41 km) |
| Herndon to Kempele | 4,163.79 mi (6,700.98 km) |
| Herndon to Kerava | 4,309.15 mi (6,934.91 km) |
| Herndon to Keuruu | 4,232.86 mi (6,812.13 km) |
| Herndon to Kiiminki | 4,163.12 mi (6,699.90 km) |
| Herndon to Kirkkonummi | 4,299.08 mi (6,918.71 km) |
| Herndon to Kitee | 4,387.01 mi (7,060.21 km) |
| Herndon to Kiuruvesi | 4,236.14 mi (6,817.41 km) |
| Herndon to Kivisto | 4,304.41 mi (6,927.27 km) |
