| Webster Groves to Jeffersontown (Kentucky) | 260.38 mi (419.05 km) |
| Webster Groves to Jeffersonville (Indiana) | 252.23 mi (405.92 km) |
| Webster Groves to Jenison (Michigan) | 380.98 mi (613.13 km) |
| Webster Groves to Jenks (Oklahoma) | 356.81 mi (574.24 km) |
| Webster Groves to Jennings (Missouri) | 10.61 mi (17.07 km) |
| Webster Groves to Jensen Beach (Florida) | 977.46 mi (1,573.06 km) |
| Webster Groves to Jericho (New York) | 905.32 mi (1,456.98 km) |
| Webster Groves to Jerome (Idaho) | 1,293.52 mi (2,081.72 km) |
| Webster Groves to Jersey City (New Jersey) | 877.46 mi (1,412.13 km) |
| Webster Groves to Jessup (Maryland) | 730.75 mi (1,176.02 km) |
| Webster Groves to Johns Creek (Georgia) | 464.85 mi (748.10 km) |
| Webster Groves to Johnson City (New York) | 795.03 mi (1,279.48 km) |
| Webster Groves to Johnson City (Tennessee) | 463.82 mi (746.45 km) |
| Webster Groves to Johnston (Iowa) | 278.65 mi (448.45 km) |
| Webster Groves to Johnstown (Colorado) | 786.95 mi (1,266.48 km) |
