| Watertown to Krosno Odrzanskie | 3,962.13 mi (6,376.44 km) |
| Watertown to Krotoszyn | 4,059.35 mi (6,532.90 km) |
| Watertown to Kruszwica | 4,054.01 mi (6,524.30 km) |
| Watertown to Krynica | 4,275.54 mi (6,880.81 km) |
| Watertown to Krzeszowice | 4,198.59 mi (6,756.97 km) |
| Watertown to Kudowa-Zdroj | 4,062.37 mi (6,537.75 km) |
| Watertown to Kutno | 4,107.36 mi (6,610.16 km) |
| Watertown to Kwidzyn | 4,035.38 mi (6,494.32 km) |
| Watertown to Lancut | 4,294.98 mi (6,912.10 km) |
| Watertown to Lapy | 4,199.51 mi (6,758.46 km) |
| Watertown to Lask | 4,123.79 mi (6,636.59 km) |
| Watertown to Laziska Gorne | 4,169.38 mi (6,709.97 km) |
| Watertown to Lebork | 3,965.01 mi (6,381.07 km) |
| Watertown to Leczna | 4,267.54 mi (6,867.94 km) |
| Watertown to Leczyca | 4,108.50 mi (6,611.99 km) |
