| Willimantic to Koscian | 3,987.89 mi (6,417.89 km) |
| Willimantic to Koscielisko | 4,206.68 mi (6,769.99 km) |
| Willimantic to Koscierzyna | 3,971.12 mi (6,390.90 km) |
| Willimantic to Kostrzyn | 3,999.12 mi (6,435.97 km) |
| Willimantic to Kostrzyn nad Odra | 3,897.49 mi (6,272.40 km) |
| Willimantic to Koszalin | 3,903.68 mi (6,282.36 km) |
| Willimantic to Kowary | 3,998.96 mi (6,435.71 km) |
| Willimantic to Kozienice | 4,187.40 mi (6,738.96 km) |
| Willimantic to Kozuchow | 3,959.05 mi (6,371.48 km) |
| Willimantic to Kozy | 4,157.75 mi (6,691.25 km) |
| Willimantic to Krakow | 4,180.89 mi (6,728.50 km) |
| Willimantic to Krapkowice | 4,091.64 mi (6,584.86 km) |
| Willimantic to Krasnik | 4,235.47 mi (6,816.34 km) |
| Willimantic to Krasnystaw | 4,268.61 mi (6,869.67 km) |
| Willimantic to Krosno | 4,263.32 mi (6,861.15 km) |
