| Westmont to Dixon (California) | 368.01 mi (592.26 km) |
| Westmont to Dixon (Illinois) | 1,654.38 mi (2,662.46 km) |
| Westmont to Dobbs Ferry (New York) | 2,457.61 mi (3,955.14 km) |
| Westmont to Doctor Phillips (Florida) | 2,196.56 mi (3,535.03 km) |
| Westmont to Dodge City (Kansas) | 1,055.47 mi (1,698.61 km) |
| Westmont to Dolton (Illinois) | 1,748.02 mi (2,813.17 km) |
| Westmont to Donna (Texas) | 1,322.10 mi (2,127.72 km) |
| Westmont to Dorado (Puerto Rico) | 3,359.62 mi (5,406.78 km) |
| Westmont to Doral (Florida) | 2,327.54 mi (3,745.82 km) |
| Westmont to Doraville (Georgia) | 1,941.90 mi (3,125.19 km) |
| Westmont to Dothan (Alabama) | 1,915.95 mi (3,083.43 km) |
| Westmont to Douglas (Arizona) | 539.83 mi (868.77 km) |
| Westmont to Douglas (Georgia) | 2,057.14 mi (3,310.65 km) |
| Westmont to Douglasville (Georgia) | 1,919.34 mi (3,088.88 km) |
| Westmont to Dover (Delaware) | 2,379.60 mi (3,829.60 km) |
