| Difficult Run to Kanjiza | 4,663.62 mi (7,505.36 km) |
| Difficult Run to Kikinda | 4,688.54 mi (7,545.48 km) |
| Difficult Run to Kladovo | 4,823.16 mi (7,762.13 km) |
| Difficult Run to Knic | 4,773.49 mi (7,682.19 km) |
| Difficult Run to Knjazevac | 4,860.26 mi (7,821.83 km) |
| Difficult Run to Koceljeva | 4,714.71 mi (7,587.60 km) |
| Difficult Run to Kosjeric | 4,737.35 mi (7,624.02 km) |
| Difficult Run to Kovacica | 4,723.19 mi (7,601.24 km) |
| Difficult Run to Kovin | 4,751.20 mi (7,646.31 km) |
| Difficult Run to Kragujevac | 4,778.81 mi (7,690.75 km) |
| Difficult Run to Kraljevo | 4,779.83 mi (7,692.39 km) |
| Difficult Run to Krupanj | 4,700.61 mi (7,564.90 km) |
| Difficult Run to Krusevac | 4,811.63 mi (7,743.58 km) |
| Difficult Run to Kucevo | 4,790.00 mi (7,708.76 km) |
| Difficult Run to Kula | 4,660.52 mi (7,500.38 km) |
