| Webster Groves to Keene (New Hampshire) | 989.39 mi (1,592.28 km) |
| Webster Groves to Keizer (Oregon) | 1,727.43 mi (2,780.04 km) |
| Webster Groves to Keller (Texas) | 548.28 mi (882.37 km) |
| Webster Groves to Kelso (Washington) | 1,727.14 mi (2,779.57 km) |
| Webster Groves to Kemp Mill (Maryland) | 717.84 mi (1,155.25 km) |
| Webster Groves to Ken Caryl (Colorado) | 793.68 mi (1,277.31 km) |
| Webster Groves to Kendale Lakes (Florida) | 1,061.60 mi (1,708.48 km) |
| Webster Groves to Kendall (Florida) | 1,065.54 mi (1,714.82 km) |
| Webster Groves to Kendall Park (New Jersey) | 850.13 mi (1,368.15 km) |
| Webster Groves to Kendall West (Florida) | 1,060.71 mi (1,707.05 km) |
| Webster Groves to Kenmore (New York) | 671.87 mi (1,081.27 km) |
| Webster Groves to Kenmore (Washington) | 1,712.48 mi (2,755.96 km) |
| Webster Groves to Kenner (Louisiana) | 592.55 mi (953.62 km) |
| Webster Groves to Kennesaw (Georgia) | 448.50 mi (721.79 km) |
| Webster Groves to Kennett (Missouri) | 162.98 mi (262.29 km) |
