| Westmont to Darby (Pennsylvania) | 2,389.32 mi (3,845.24 km) |
| Westmont to Dardenne Prairie (Missouri) | 1,563.58 mi (2,516.33 km) |
| Westmont to Darien (Illinois) | 1,729.49 mi (2,783.34 km) |
| Westmont to Davenport (Iowa) | 1,593.73 mi (2,564.86 km) |
| Westmont to Davidson (North Carolina) | 2,118.42 mi (3,409.27 km) |
| Westmont to Davie (Florida) | 2,324.42 mi (3,740.79 km) |
| Westmont to Davis (California) | 371.75 mi (598.27 km) |
| Westmont to Dayton (Nevada) | 374.02 mi (601.92 km) |
| Westmont to Dayton (Ohio) | 1,915.69 mi (3,083.00 km) |
| Westmont to Daytona Beach (Florida) | 2,202.37 mi (3,544.37 km) |
| Westmont to De Pere (Wisconsin) | 1,760.25 mi (2,832.85 km) |
| Westmont to De Witt (New York) | 2,341.51 mi (3,768.30 km) |
| Westmont to Dearborn (Michigan) | 1,977.14 mi (3,181.89 km) |
| Westmont to Dearborn Heights (Michigan) | 1,973.91 mi (3,176.70 km) |
| Westmont to DeBary (Florida) | 2,196.39 mi (3,534.74 km) |
