| Watertown to Juprelle | 3,645.01 mi (5,866.08 km) |
| Watertown to Jurbise | 3,587.71 mi (5,773.86 km) |
| Watertown to Kalmthout | 3,583.15 mi (5,766.52 km) |
| Watertown to Kampenhout | 3,599.65 mi (5,793.07 km) |
| Watertown to Kapelle-op-den-Bos | 3,590.22 mi (5,777.90 km) |
| Watertown to Kapellen | 3,583.84 mi (5,767.63 km) |
| Watertown to Kasterlee | 3,605.95 mi (5,803.22 km) |
| Watertown to Keerbergen | 3,600.97 mi (5,795.20 km) |
| Watertown to Kinrooi | 3,639.86 mi (5,857.78 km) |
| Watertown to Knokke-Heist | 3,538.35 mi (5,694.42 km) |
| Watertown to Koekelare | 3,533.61 mi (5,686.80 km) |
| Watertown to Koekelberg | 3,593.42 mi (5,783.05 km) |
| Watertown to Koksijde | 3,520.33 mi (5,665.43 km) |
| Watertown to Kontich | 3,589.97 mi (5,777.51 km) |
| Watertown to Kortemark | 3,537.94 mi (5,693.77 km) |
