| Webster Groves to Kanjiza | 5,176.86 mi (8,331.36 km) |
| Webster Groves to Kikinda | 5,201.95 mi (8,371.72 km) |
| Webster Groves to Kladovo | 5,336.83 mi (8,588.81 km) |
| Webster Groves to Knic | 5,298.99 mi (8,527.90 km) |
| Webster Groves to Knjazevac | 5,381.98 mi (8,661.46 km) |
| Webster Groves to Koceljeva | 5,239.86 mi (8,432.75 km) |
| Webster Groves to Kosjeric | 5,265.27 mi (8,473.63 km) |
| Webster Groves to Kovacica | 5,240.95 mi (8,434.50 km) |
| Webster Groves to Kovin | 5,270.14 mi (8,481.47 km) |
| Webster Groves to Kragujevac | 5,302.82 mi (8,534.06 km) |
| Webster Groves to Kraljevo | 5,306.72 mi (8,540.35 km) |
| Webster Groves to Krupanj | 5,228.08 mi (8,413.79 km) |
| Webster Groves to Krusevac | 5,337.05 mi (8,589.15 km) |
| Webster Groves to Kucevo | 5,308.11 mi (8,542.57 km) |
| Webster Groves to Kula | 5,178.92 mi (8,334.67 km) |
