| Webster Groves to Des Plaines (Illinois) | 271.01 mi (436.15 km) |
| Webster Groves to Desert Hot Springs (California) | 1,488.10 mi (2,394.87 km) |
| Webster Groves to DeSoto (Texas) | 551.83 mi (888.09 km) |
| Webster Groves to Destin (Florida) | 607.50 mi (977.68 km) |
| Webster Groves to Destrehan (Louisiana) | 595.86 mi (958.95 km) |
| Webster Groves to Detroit (Michigan) | 462.39 mi (744.14 km) |
| Webster Groves to Diamond Bar (California) | 1,555.68 mi (2,503.62 km) |
| Webster Groves to Diamond Springs (California) | 1,637.53 mi (2,635.36 km) |
| Webster Groves to Dickinson (North Dakota) | 851.15 mi (1,369.80 km) |
| Webster Groves to Dickinson (Texas) | 685.78 mi (1,103.66 km) |
| Webster Groves to Dickson (Tennessee) | 239.42 mi (385.31 km) |
| Webster Groves to Difficult Run (Virginia) | 700.70 mi (1,127.66 km) |
| Webster Groves to Dinuba (California) | 1,590.27 mi (2,559.30 km) |
| Webster Groves to Discovery Bay (California) | 1,687.86 mi (2,716.34 km) |
| Webster Groves to Dix Hills (New York) | 916.05 mi (1,474.24 km) |
