| Watertown to Karis | 3,950.65 mi (6,357.95 km) |
| Watertown to Karkkila | 3,949.51 mi (6,356.12 km) |
| Watertown to Kauhajoki | 3,824.00 mi (6,154.13 km) |
| Watertown to Kauhava | 3,825.11 mi (6,155.93 km) |
| Watertown to Kauniainen | 3,976.19 mi (6,399.05 km) |
| Watertown to Kemi | 3,772.73 mi (6,071.62 km) |
| Watertown to Kemijarvi | 3,807.11 mi (6,126.95 km) |
| Watertown to Kempele | 3,825.01 mi (6,155.76 km) |
| Watertown to Kerava | 3,979.77 mi (6,404.83 km) |
| Watertown to Keuruu | 3,899.72 mi (6,275.99 km) |
| Watertown to Kiiminki | 3,823.82 mi (6,153.84 km) |
| Watertown to Kirkkonummi | 3,970.82 mi (6,390.41 km) |
| Watertown to Kitee | 4,050.96 mi (6,519.40 km) |
| Watertown to Kiuruvesi | 3,899.17 mi (6,275.11 km) |
| Watertown to Kivisto | 3,975.37 mi (6,397.74 km) |
