| Willimantic to Kanjiza | 4,331.53 mi (6,970.92 km) |
| Willimantic to Kikinda | 4,356.43 mi (7,011.00 km) |
| Willimantic to Kladovo | 4,490.97 mi (7,227.52 km) |
| Willimantic to Knic | 4,440.77 mi (7,146.72 km) |
| Willimantic to Knjazevac | 4,527.66 mi (7,286.56 km) |
| Willimantic to Koceljeva | 4,382.02 mi (7,052.18 km) |
| Willimantic to Kosjeric | 4,404.54 mi (7,088.43 km) |
| Willimantic to Kovacica | 4,390.83 mi (7,066.35 km) |
| Willimantic to Kovin | 4,418.76 mi (7,111.31 km) |
| Willimantic to Kragujevac | 4,446.14 mi (7,155.37 km) |
| Willimantic to Kraljevo | 4,447.05 mi (7,156.83 km) |
| Willimantic to Krupanj | 4,367.83 mi (7,029.35 km) |
| Willimantic to Krusevac | 4,478.90 mi (7,208.09 km) |
| Willimantic to Kucevo | 4,457.60 mi (7,173.81 km) |
| Willimantic to Kula | 4,328.15 mi (6,965.48 km) |
