| Idaho Falls to Kecskemet | 5,531.54 mi (8,902.16 km) |
| Idaho Falls to Kerepestarcsa | 5,483.53 mi (8,824.89 km) |
| Idaho Falls to Keszthely | 5,474.64 mi (8,810.58 km) |
| Idaho Falls to Kiskoros | 5,537.42 mi (8,911.61 km) |
| Idaho Falls to Kiskunfelegyhaza | 5,547.31 mi (8,927.53 km) |
| Idaho Falls to Kiskunhalas | 5,553.64 mi (8,937.73 km) |
| Idaho Falls to Kiskunlachaza | 5,497.10 mi (8,846.73 km) |
| Idaho Falls to Kiskunmajsa | 5,556.66 mi (8,942.58 km) |
| Idaho Falls to Kisujszallas | 5,541.17 mi (8,917.65 km) |
| Idaho Falls to Kisvarda | 5,515.52 mi (8,876.37 km) |
| Idaho Falls to Komarom | 5,442.82 mi (8,759.38 km) |
| Idaho Falls to Komlo | 5,534.88 mi (8,907.54 km) |
| Idaho Falls to Kormend | 5,443.56 mi (8,760.57 km) |
| Idaho Falls to Koszeg | 5,421.20 mi (8,724.58 km) |
| Idaho Falls to Lajosmizse | 5,521.18 mi (8,885.48 km) |
