| Watertown Town to Imatra | 4,011.86 mi (6,456.46 km) |
| Watertown Town to Jakobstad | 3,760.15 mi (6,051.37 km) |
| Watertown Town to Jamsa | 3,885.88 mi (6,253.72 km) |
| Watertown Town to Janakkala | 3,901.18 mi (6,278.35 km) |
| Watertown Town to Jarvenpaa | 3,928.85 mi (6,322.87 km) |
| Watertown Town to Joensuu | 3,988.99 mi (6,419.65 km) |
| Watertown Town to Joutseno | 4,006.41 mi (6,447.70 km) |
| Watertown Town to Jyvaskyla | 3,889.64 mi (6,259.78 km) |
| Watertown Town to Jyvaskylan Maalaiskunta | 3,888.11 mi (6,257.30 km) |
| Watertown Town to Kaarina | 3,849.06 mi (6,194.47 km) |
| Watertown Town to Kajaani | 3,878.62 mi (6,242.03 km) |
| Watertown Town to Kalajoki | 3,776.71 mi (6,078.04 km) |
| Watertown Town to Kangasala | 3,866.33 mi (6,222.26 km) |
| Watertown Town to Kankaanpaa | 3,807.07 mi (6,126.89 km) |
| Watertown Town to Karhula | 3,982.15 mi (6,408.66 km) |
