| Boulder City to Kanjiza | 6,122.86 mi (9,853.79 km) |
| Boulder City to Kikinda | 6,147.07 mi (9,892.76 km) |
| Boulder City to Kladovo | 6,276.16 mi (10,100.51 km) |
| Boulder City to Knic | 6,263.47 mi (10,080.08 km) |
| Boulder City to Knjazevac | 6,335.21 mi (10,195.53 km) |
| Boulder City to Koceljeva | 6,206.30 mi (9,988.08 km) |
| Boulder City to Kosjeric | 6,236.03 mi (10,035.92 km) |
| Boulder City to Kovacica | 6,192.81 mi (9,966.36 km) |
| Boulder City to Kovin | 6,222.97 mi (10,014.90 km) |
| Boulder City to Kragujevac | 6,264.18 mi (10,081.22 km) |
| Boulder City to Kraljevo | 6,273.63 mi (10,096.43 km) |
| Boulder City to Krupanj | 6,199.61 mi (9,977.31 km) |
| Boulder City to Krusevac | 6,299.66 mi (10,138.32 km) |
| Boulder City to Kucevo | 6,257.53 mi (10,070.52 km) |
| Boulder City to Kula | 6,134.88 mi (9,873.14 km) |
