| Herndon to Kothen | 4,146.75 mi (6,673.56 km) |
| Herndon to Kranenburg | 3,915.38 mi (6,301.19 km) |
| Herndon to Krefeld | 3,949.73 mi (6,356.48 km) |
| Herndon to Kressbronn am Bodensee | 4,182.28 mi (6,730.73 km) |
| Herndon to Kreuzau | 3,962.65 mi (6,377.28 km) |
| Herndon to Kreuztal | 4,015.47 mi (6,462.28 km) |
| Herndon to Kriftel | 4,060.81 mi (6,535.24 km) |
| Herndon to Kronach | 4,170.13 mi (6,711.17 km) |
| Herndon to Kronberg | 4,059.22 mi (6,532.69 km) |
| Herndon to Kronshagen | 4,002.58 mi (6,441.54 km) |
| Herndon to Krumbach | 4,193.44 mi (6,748.68 km) |
| Herndon to Kulmbach | 4,178.66 mi (6,724.91 km) |
| Herndon to Kummersbruck | 4,218.00 mi (6,788.22 km) |
| Herndon to Kunzell | 4,096.98 mi (6,593.46 km) |
| Herndon to Kunzelsau | 4,133.68 mi (6,652.52 km) |
