| Watertown Town to Karditsa | 4,603.88 mi (7,409.23 km) |
| Watertown Town to Kastoria | 4,529.19 mi (7,289.02 km) |
| Watertown Town to Katerini | 4,591.79 mi (7,389.76 km) |
| Watertown Town to Keratsini | 4,735.38 mi (7,620.86 km) |
| Watertown Town to Kerkyra | 4,507.40 mi (7,253.97 km) |
| Watertown Town to Kiato | 4,696.09 mi (7,557.62 km) |
| Watertown Town to Kifisia | 4,739.06 mi (7,626.77 km) |
| Watertown Town to Kilkis | 4,577.86 mi (7,367.36 km) |
| Watertown Town to Komotini | 4,679.22 mi (7,530.47 km) |
| Watertown Town to Korinthos | 4,706.79 mi (7,574.84 km) |
| Watertown Town to Koropi | 4,749.25 mi (7,643.19 km) |
| Watertown Town to Korydallos | 4,736.11 mi (7,622.04 km) |
| Watertown Town to Kos | 4,938.57 mi (7,947.86 km) |
| Watertown Town to Kozani | 4,559.98 mi (7,338.58 km) |
| Watertown Town to Lagos | 4,664.42 mi (7,506.65 km) |
