| Idaho Falls to Klaukkala | 4,857.87 mi (7,817.99 km) |
| Idaho Falls to Kokkola | 4,628.95 mi (7,449.57 km) |
| Idaho Falls to Kontiolahti | 4,799.98 mi (7,724.82 km) |
| Idaho Falls to Korsholm | 4,645.07 mi (7,475.52 km) |
| Idaho Falls to Kotka | 4,891.44 mi (7,872.01 km) |
| Idaho Falls to Kouvola | 4,863.45 mi (7,826.97 km) |
| Idaho Falls to Kuhmo | 4,712.79 mi (7,584.50 km) |
| Idaho Falls to Kuopio | 4,758.79 mi (7,658.53 km) |
| Idaho Falls to Kurikka | 4,686.20 mi (7,541.70 km) |
| Idaho Falls to Kuusamo | 4,597.14 mi (7,398.37 km) |
| Idaho Falls to Kuusankoski | 4,859.68 mi (7,820.90 km) |
| Idaho Falls to Lahti | 4,838.44 mi (7,786.71 km) |
| Idaho Falls to Laitila | 4,772.57 mi (7,680.71 km) |
| Idaho Falls to Lapinlahti | 4,725.86 mi (7,605.54 km) |
| Idaho Falls to Lappeenranta | 4,876.37 mi (7,847.76 km) |
