| Willimantic to Karditsa | 4,672.97 mi (7,520.41 km) |
| Willimantic to Kastoria | 4,598.37 mi (7,400.37 km) |
| Willimantic to Katerini | 4,661.02 mi (7,501.19 km) |
| Willimantic to Keratsini | 4,804.41 mi (7,731.95 km) |
| Willimantic to Kerkyra | 4,576.37 mi (7,364.95 km) |
| Willimantic to Kiato | 4,765.05 mi (7,668.61 km) |
| Willimantic to Kifisia | 4,808.12 mi (7,737.92 km) |
| Willimantic to Kilkis | 4,647.20 mi (7,478.94 km) |
| Willimantic to Komotini | 4,748.69 mi (7,642.27 km) |
| Willimantic to Korinthos | 4,775.76 mi (7,685.84 km) |
| Willimantic to Koropi | 4,818.30 mi (7,754.30 km) |
| Willimantic to Korydallos | 4,805.15 mi (7,733.14 km) |
| Willimantic to Kos | 5,007.75 mi (8,059.19 km) |
| Willimantic to Kozani | 4,629.17 mi (7,449.93 km) |
| Willimantic to Lagos | 4,733.87 mi (7,618.42 km) |
