| Idanha-a-Nova to Juprelle | 967.53 mi (1,557.09 km) |
| Idanha-a-Nova to Jurbise | 910.75 mi (1,465.72 km) |
| Idanha-a-Nova to Kalmthout | 970.58 mi (1,562.00 km) |
| Idanha-a-Nova to Kampenhout | 949.71 mi (1,528.41 km) |
| Idanha-a-Nova to Kapelle-op-den-Bos | 948.44 mi (1,526.36 km) |
| Idanha-a-Nova to Kapellen | 966.13 mi (1,554.83 km) |
| Idanha-a-Nova to Kasterlee | 977.20 mi (1,572.65 km) |
| Idanha-a-Nova to Keerbergen | 955.26 mi (1,537.34 km) |
| Idanha-a-Nova to Kinrooi | 995.05 mi (1,601.37 km) |
| Idanha-a-Nova to Knokke-Heist | 936.78 mi (1,507.60 km) |
| Idanha-a-Nova to Koekelare | 914.96 mi (1,472.48 km) |
| Idanha-a-Nova to Koekelberg | 939.63 mi (1,512.19 km) |
| Idanha-a-Nova to Koksijde | 907.08 mi (1,459.80 km) |
| Idanha-a-Nova to Kontich | 956.91 mi (1,540.00 km) |
| Idanha-a-Nova to Kortemark | 913.18 mi (1,469.62 km) |
