| Willow Grove to Kanjiza | 4,517.54 mi (7,270.27 km) |
| Willow Grove to Kikinda | 4,542.45 mi (7,310.37 km) |
| Willow Grove to Kladovo | 4,677.03 mi (7,526.95 km) |
| Willow Grove to Knic | 4,627.08 mi (7,446.57 km) |
| Willow Grove to Knjazevac | 4,713.92 mi (7,586.31 km) |
| Willow Grove to Koceljeva | 4,568.32 mi (7,352.00 km) |
| Willow Grove to Kosjeric | 4,590.90 mi (7,388.33 km) |
| Willow Grove to Kovacica | 4,576.97 mi (7,365.92 km) |
| Willow Grove to Kovin | 4,604.94 mi (7,410.94 km) |
| Willow Grove to Kragujevac | 4,632.43 mi (7,455.18 km) |
| Willow Grove to Kraljevo | 4,633.39 mi (7,456.72 km) |
| Willow Grove to Krupanj | 4,554.17 mi (7,329.23 km) |
| Willow Grove to Krusevac | 4,665.22 mi (7,507.95 km) |
| Willow Grove to Kucevo | 4,643.76 mi (7,473.41 km) |
| Willow Grove to Kula | 4,514.30 mi (7,265.06 km) |
