| Billings to Kanjiza | 5,363.26 mi (8,631.34 km) |
| Billings to Kikinda | 5,387.35 mi (8,670.10 km) |
| Billings to Kladovo | 5,515.72 mi (8,876.69 km) |
| Billings to Knic | 5,505.03 mi (8,859.49 km) |
| Billings to Knjazevac | 5,575.63 mi (8,973.11 km) |
| Billings to Koceljeva | 5,448.21 mi (8,768.05 km) |
| Billings to Kosjeric | 5,478.26 mi (8,816.41 km) |
| Billings to Kovacica | 5,433.49 mi (8,744.36 km) |
| Billings to Kovin | 5,463.65 mi (8,792.90 km) |
| Billings to Kragujevac | 5,505.46 mi (8,860.18 km) |
| Billings to Kraljevo | 5,515.38 mi (8,876.15 km) |
| Billings to Krupanj | 5,442.03 mi (8,758.09 km) |
| Billings to Krusevac | 5,540.95 mi (8,917.30 km) |
| Billings to Kucevo | 5,497.86 mi (8,847.95 km) |
| Billings to Kula | 5,376.06 mi (8,651.94 km) |
