| Watertown Town to Juprelle | 3,524.60 mi (5,672.30 km) |
| Watertown Town to Jurbise | 3,464.28 mi (5,575.21 km) |
| Watertown Town to Kalmthout | 3,464.50 mi (5,575.58 km) |
| Watertown Town to Kampenhout | 3,478.98 mi (5,598.88 km) |
| Watertown Town to Kapelle-op-den-Bos | 3,469.67 mi (5,583.89 km) |
| Watertown Town to Kapellen | 3,464.82 mi (5,576.09 km) |
| Watertown Town to Kasterlee | 3,487.29 mi (5,612.26 km) |
| Watertown Town to Keerbergen | 3,480.71 mi (5,601.66 km) |
| Watertown Town to Kinrooi | 3,521.75 mi (5,667.71 km) |
| Watertown Town to Knokke-Heist | 3,417.97 mi (5,500.69 km) |
| Watertown Town to Koekelare | 3,411.62 mi (5,490.47 km) |
| Watertown Town to Koekelberg | 3,472.11 mi (5,587.82 km) |
| Watertown Town to Koksijde | 3,397.96 mi (5,468.49 km) |
| Watertown Town to Kontich | 3,470.10 mi (5,584.58 km) |
| Watertown Town to Kortemark | 3,415.73 mi (5,497.09 km) |
