| Watertown Town to Jicin | 3,922.31 mi (6,312.36 km) |
| Watertown Town to Jihlava | 3,965.85 mi (6,382.41 km) |
| Watertown Town to Jindrichuv Hradec | 3,951.16 mi (6,358.78 km) |
| Watertown Town to Jirkov | 3,846.09 mi (6,189.68 km) |
| Watertown Town to Kadan | 3,843.06 mi (6,184.80 km) |
| Watertown Town to Karlovy Vary | 3,831.92 mi (6,166.87 km) |
| Watertown Town to Karvina | 4,065.26 mi (6,542.40 km) |
| Watertown Town to Kladno | 3,882.74 mi (6,248.67 km) |
| Watertown Town to Klasterec nad Ohri | 3,838.86 mi (6,178.06 km) |
| Watertown Town to Klatovy | 3,875.07 mi (6,236.33 km) |
| Watertown Town to Kolin | 3,929.79 mi (6,324.38 km) |
| Watertown Town to Koprivnice | 4,058.77 mi (6,531.96 km) |
| Watertown Town to Kralupy nad Vltavou | 3,888.11 mi (6,257.31 km) |
| Watertown Town to Kraluv Dvur | 3,886.59 mi (6,254.86 km) |
| Watertown Town to Krnov | 4,024.60 mi (6,476.97 km) |
