| Webster Groves to Juprelle | 4,450.03 mi (7,161.64 km) |
| Webster Groves to Jurbise | 4,395.62 mi (7,074.07 km) |
| Webster Groves to Kalmthout | 4,386.89 mi (7,060.02 km) |
| Webster Groves to Kampenhout | 4,405.11 mi (7,089.34 km) |
| Webster Groves to Kapelle-op-den-Bos | 4,395.62 mi (7,074.06 km) |
| Webster Groves to Kapellen | 4,387.91 mi (7,061.65 km) |
| Webster Groves to Kasterlee | 4,409.59 mi (7,096.55 km) |
| Webster Groves to Keerbergen | 4,406.07 mi (7,090.88 km) |
| Webster Groves to Kinrooi | 4,442.82 mi (7,150.04 km) |
| Webster Groves to Knokke-Heist | 4,343.85 mi (6,990.74 km) |
| Webster Groves to Koekelare | 4,340.54 mi (6,985.42 km) |
| Webster Groves to Koekelberg | 4,399.47 mi (7,080.27 km) |
| Webster Groves to Koksijde | 4,327.64 mi (6,964.67 km) |
| Webster Groves to Kontich | 4,394.78 mi (7,072.72 km) |
| Webster Groves to Kortemark | 4,345.04 mi (6,992.67 km) |
