| Mastic Beach to Juprelle | 3,660.59 mi (5,891.15 km) |
| Mastic Beach to Jurbise | 3,599.84 mi (5,793.39 km) |
| Mastic Beach to Kalmthout | 3,600.77 mi (5,794.87 km) |
| Mastic Beach to Kampenhout | 3,614.95 mi (5,817.71 km) |
| Mastic Beach to Kapelle-op-den-Bos | 3,605.66 mi (5,802.75 km) |
| Mastic Beach to Kapellen | 3,601.04 mi (5,795.31 km) |
| Mastic Beach to Kasterlee | 3,623.55 mi (5,831.54 km) |
| Mastic Beach to Keerbergen | 3,616.74 mi (5,820.58 km) |
| Mastic Beach to Kinrooi | 3,658.07 mi (5,887.09 km) |
| Mastic Beach to Knokke-Heist | 3,554.01 mi (5,719.63 km) |
| Mastic Beach to Koekelare | 3,547.43 mi (5,709.04 km) |
| Mastic Beach to Koekelberg | 3,607.99 mi (5,806.50 km) |
| Mastic Beach to Koksijde | 3,533.72 mi (5,686.98 km) |
| Mastic Beach to Kontich | 3,606.19 mi (5,803.60 km) |
| Mastic Beach to Kortemark | 3,551.51 mi (5,715.60 km) |
