| Webster Groves to Duluth (Minnesota) | 572.98 mi (922.12 km) |
| Webster Groves to Dumas (Texas) | 665.38 mi (1,070.82 km) |
| Webster Groves to Dumont (New Jersey) | 882.75 mi (1,420.66 km) |
| Webster Groves to Duncan (Oklahoma) | 504.19 mi (811.41 km) |
| Webster Groves to Duncanville (Texas) | 551.19 mi (887.05 km) |
| Webster Groves to Dundalk (Maryland) | 745.75 mi (1,200.17 km) |
| Webster Groves to Dunedin (Florida) | 849.33 mi (1,366.87 km) |
| Webster Groves to Dunkirk (New York) | 637.59 mi (1,026.11 km) |
| Webster Groves to Dunmore (Pennsylvania) | 803.53 mi (1,293.15 km) |
| Webster Groves to Dunwoody (Georgia) | 464.87 mi (748.13 km) |
| Webster Groves to Durango (Colorado) | 957.94 mi (1,541.66 km) |
| Webster Groves to Durant (Oklahoma) | 462.09 mi (743.66 km) |
| Webster Groves to Durham (North Carolina) | 654.33 mi (1,053.05 km) |
| Webster Groves to Dyer (Indiana) | 251.18 mi (404.24 km) |
| Webster Groves to Dyersburg (Tennessee) | 183.52 mi (295.35 km) |
