| Barbastro to Kanjiza | 1,024.74 mi (1,649.16 km) |
| Barbastro to Kikinda | 1,041.54 mi (1,676.20 km) |
| Barbastro to Kladovo | 1,140.16 mi (1,834.91 km) |
| Barbastro to Knic | 1,046.17 mi (1,683.65 km) |
| Barbastro to Knjazevac | 1,132.55 mi (1,822.66 km) |
| Barbastro to Koceljeva | 1,002.03 mi (1,612.61 km) |
| Barbastro to Kosjeric | 1,006.43 mi (1,619.69 km) |
| Barbastro to Kovacica | 1,044.69 mi (1,681.26 km) |
| Barbastro to Kovin | 1,059.95 mi (1,705.83 km) |
| Barbastro to Kragujevac | 1,057.26 mi (1,701.49 km) |
| Barbastro to Kraljevo | 1,044.78 mi (1,681.41 km) |
| Barbastro to Krupanj | 979.98 mi (1,577.13 km) |
| Barbastro to Krusevac | 1,076.95 mi (1,733.18 km) |
| Barbastro to Kucevo | 1,093.68 mi (1,760.12 km) |
| Barbastro to Kula | 995.62 mi (1,602.30 km) |
