| Ciechanow to Juprelle | 660.85 mi (1,063.53 km) |
| Ciechanow to Jurbise | 731.28 mi (1,176.88 km) |
| Ciechanow to Kalmthout | 691.87 mi (1,113.46 km) |
| Ciechanow to Kampenhout | 696.86 mi (1,121.50 km) |
| Ciechanow to Kapelle-op-den-Bos | 702.95 mi (1,131.28 km) |
| Ciechanow to Kapellen | 694.46 mi (1,117.62 km) |
| Ciechanow to Kasterlee | 674.16 mi (1,084.95 km) |
| Ciechanow to Keerbergen | 692.22 mi (1,114.02 km) |
| Ciechanow to Kinrooi | 643.28 mi (1,035.26 km) |
| Ciechanow to Knokke-Heist | 741.81 mi (1,193.82 km) |
| Ciechanow to Koekelare | 759.24 mi (1,221.88 km) |
| Ciechanow to Koekelberg | 707.40 mi (1,138.45 km) |
| Ciechanow to Koksijde | 772.83 mi (1,243.74 km) |
| Ciechanow to Kontich | 697.19 mi (1,122.02 km) |
| Ciechanow to Kortemark | 757.77 mi (1,219.52 km) |
