| River Forest to Juprelle | 4,194.31 mi (6,750.09 km) |
| River Forest to Jurbise | 4,140.84 mi (6,664.03 km) |
| River Forest to Kalmthout | 4,130.86 mi (6,647.97 km) |
| River Forest to Kampenhout | 4,149.55 mi (6,678.06 km) |
| River Forest to Kapelle-op-den-Bos | 4,140.05 mi (6,662.77 km) |
| River Forest to Kapellen | 4,131.96 mi (6,649.75 km) |
| River Forest to Kasterlee | 4,153.50 mi (6,684.41 km) |
| River Forest to Keerbergen | 4,150.41 mi (6,679.43 km) |
| River Forest to Kinrooi | 4,186.52 mi (6,737.56 km) |
| River Forest to Knokke-Heist | 4,088.36 mi (6,579.57 km) |
| River Forest to Koekelare | 4,085.49 mi (6,574.96 km) |
| River Forest to Koekelberg | 4,144.10 mi (6,669.29 km) |
| River Forest to Koksijde | 4,072.73 mi (6,554.42 km) |
| River Forest to Kontich | 4,139.05 mi (6,661.15 km) |
| River Forest to Kortemark | 4,090.04 mi (6,582.28 km) |
