| Westbrook to Des Plaines (Illinois) | 894.29 mi (1,439.22 km) |
| Westbrook to Desert Hot Springs (California) | 2,540.62 mi (4,088.73 km) |
| Westbrook to DeSoto (Texas) | 1,621.67 mi (2,609.83 km) |
| Westbrook to Destin (Florida) | 1,273.92 mi (2,050.17 km) |
| Westbrook to Destrehan (Louisiana) | 1,450.90 mi (2,334.99 km) |
| Westbrook to Detroit (Michigan) | 649.48 mi (1,045.23 km) |
| Westbrook to Diamond Bar (California) | 2,602.71 mi (4,188.66 km) |
| Westbrook to Diamond Springs (California) | 2,606.72 mi (4,195.11 km) |
| Westbrook to Dickinson (North Dakota) | 1,580.58 mi (2,543.69 km) |
| Westbrook to Dickinson (Texas) | 1,676.61 mi (2,698.24 km) |
| Westbrook to Dickson (Tennessee) | 1,041.88 mi (1,676.75 km) |
| Westbrook to Difficult Run (Virginia) | 491.07 mi (790.31 km) |
| Westbrook to Dinuba (California) | 2,599.16 mi (4,182.94 km) |
| Westbrook to Discovery Bay (California) | 2,666.90 mi (4,291.97 km) |
| Westbrook to Dix Hills (New York) | 251.39 mi (404.57 km) |
