| Willimantic to Jozefow | 4,155.62 mi (6,687.82 km) |
| Willimantic to Kalisz | 4,052.18 mi (6,521.35 km) |
| Willimantic to Kamien Pomorski | 3,859.35 mi (6,211.02 km) |
| Willimantic to Kamienna Gora | 4,006.93 mi (6,448.53 km) |
| Willimantic to Karczew | 4,158.00 mi (6,691.65 km) |
| Willimantic to Kartuzy | 3,971.90 mi (6,392.16 km) |
| Willimantic to Katowice | 4,138.62 mi (6,660.46 km) |
| Willimantic to Kedzierzyn-Kozle | 4,104.56 mi (6,605.65 km) |
| Willimantic to Kepno | 4,064.51 mi (6,541.20 km) |
| Willimantic to Ketrzyn | 4,092.93 mi (6,586.93 km) |
| Willimantic to Kety | 4,159.13 mi (6,693.47 km) |
| Willimantic to Kielce | 4,178.17 mi (6,724.12 km) |
| Willimantic to Kielczow | 4,038.85 mi (6,499.89 km) |
| Willimantic to Klobuck | 4,112.87 mi (6,619.02 km) |
| Willimantic to Klodzko | 4,042.25 mi (6,505.38 km) |
