| Boise to Kamen | 5,055.73 mi (8,136.41 km) |
| Boise to Kamenz | 5,239.74 mi (8,432.55 km) |
| Boise to Kamp-Lintfort | 5,029.86 mi (8,094.78 km) |
| Boise to Kandel | 5,206.03 mi (8,378.30 km) |
| Boise to Kappeln | 4,948.11 mi (7,963.21 km) |
| Boise to Karben | 5,159.17 mi (8,302.89 km) |
| Boise to Karlsdorf-Neuthard | 5,212.72 mi (8,389.07 km) |
| Boise to Karlsfeld | 5,343.64 mi (8,599.75 km) |
| Boise to Karlsruhe | 5,215.76 mi (8,393.95 km) |
| Boise to Kassel | 5,119.58 mi (8,239.17 km) |
| Boise to Kaufbeuren | 5,339.38 mi (8,592.90 km) |
| Boise to Kaufering | 5,335.22 mi (8,586.21 km) |
| Boise to Kaufungen | 5,124.67 mi (8,247.35 km) |
| Boise to Kehl | 5,223.30 mi (8,406.09 km) |
| Boise to Kelheim | 5,315.17 mi (8,553.94 km) |
