| Waltham to Kanjiza | 4,263.74 mi (6,861.82 km) |
| Waltham to Kikinda | 4,288.64 mi (6,901.90 km) |
| Waltham to Kladovo | 4,423.20 mi (7,118.46 km) |
| Waltham to Knic | 4,373.17 mi (7,037.94 km) |
| Waltham to Knjazevac | 4,460.01 mi (7,177.69 km) |
| Waltham to Koceljeva | 4,314.41 mi (6,943.37 km) |
| Waltham to Kosjeric | 4,336.98 mi (6,979.70 km) |
| Waltham to Kovacica | 4,323.10 mi (6,957.36 km) |
| Waltham to Kovin | 4,351.06 mi (7,002.35 km) |
| Waltham to Kragujevac | 4,378.52 mi (7,046.55 km) |
| Waltham to Kraljevo | 4,379.48 mi (7,048.08 km) |
| Waltham to Krupanj | 4,300.26 mi (6,920.60 km) |
| Waltham to Krusevac | 4,411.31 mi (7,099.31 km) |
| Waltham to Kucevo | 4,389.88 mi (7,064.84 km) |
| Waltham to Kula | 4,260.43 mi (6,856.49 km) |
