| Willimantic to Kluczbork | 4,083.51 mi (6,571.77 km) |
| Willimantic to Knurow | 4,127.64 mi (6,642.80 km) |
| Willimantic to Kobylka | 4,147.35 mi (6,674.51 km) |
| Willimantic to Kokoszki | 3,981.62 mi (6,407.80 km) |
| Willimantic to Kolbuszowa | 4,243.12 mi (6,828.65 km) |
| Willimantic to Kolno | 4,135.77 mi (6,655.88 km) |
| Willimantic to Kolo | 4,057.87 mi (6,530.52 km) |
| Willimantic to Kolobrzeg | 3,882.41 mi (6,248.13 km) |
| Willimantic to Koluszki | 4,116.41 mi (6,624.72 km) |
| Willimantic to Komorniki | 3,983.82 mi (6,411.33 km) |
| Willimantic to Konin | 4,043.74 mi (6,507.78 km) |
| Willimantic to Konskie | 4,158.54 mi (6,692.52 km) |
| Willimantic to Konstancin-Jeziorna | 4,153.14 mi (6,683.83 km) |
| Willimantic to Konstantynow Lodzki | 4,099.11 mi (6,596.89 km) |
| Willimantic to Koronowo | 3,995.19 mi (6,429.64 km) |
