| Constanta to Juprelle | 1,164.35 mi (1,873.83 km) |
| Constanta to Jurbise | 1,230.02 mi (1,979.52 km) |
| Constanta to Kalmthout | 1,220.59 mi (1,964.34 km) |
| Constanta to Kampenhout | 1,209.72 mi (1,946.86 km) |
| Constanta to Kapelle-op-den-Bos | 1,218.67 mi (1,961.26 km) |
| Constanta to Kapellen | 1,220.83 mi (1,964.74 km) |
| Constanta to Kasterlee | 1,198.06 mi (1,928.09 km) |
| Constanta to Keerbergen | 1,207.27 mi (1,942.92 km) |
| Constanta to Kinrooi | 1,163.14 mi (1,871.89 km) |
| Constanta to Knokke-Heist | 1,269.32 mi (2,042.78 km) |
| Constanta to Koekelare | 1,278.54 mi (2,057.61 km) |
| Constanta to Koekelberg | 1,217.73 mi (1,959.75 km) |
| Constanta to Koksijde | 1,292.70 mi (2,080.41 km) |
| Constanta to Kontich | 1,217.05 mi (1,958.65 km) |
| Constanta to Kortemark | 1,274.93 mi (2,051.81 km) |
