| Westmont to Dover (New Hampshire) | 2,603.53 mi (4,189.97 km) |
| Westmont to Dover (New Jersey) | 2,422.13 mi (3,898.03 km) |
| Westmont to Dover (Ohio) | 2,060.25 mi (3,315.65 km) |
| Westmont to Downers Grove (Illinois) | 1,728.20 mi (2,781.27 km) |
| Westmont to Downey (California) | 9.79 mi (15.75 km) |
| Westmont to Dranesville (Virginia) | 2,281.64 mi (3,671.95 km) |
| Westmont to Draper (Utah) | 574.67 mi (924.84 km) |
| Westmont to Drexel Heights (Arizona) | 437.96 mi (704.83 km) |
| Westmont to Drexel Hill (Pennsylvania) | 2,386.92 mi (3,841.38 km) |
| Westmont to Duarte (California) | 25.18 mi (40.53 km) |
| Westmont to Dublin (California) | 329.41 mi (530.14 km) |
| Westmont to Dublin (Georgia) | 2,036.41 mi (3,277.29 km) |
| Westmont to Dublin (Ohio) | 1,972.05 mi (3,173.70 km) |
| Westmont to Dubuque (Iowa) | 1,601.44 mi (2,577.27 km) |
| Westmont to Duluth (Georgia) | 1,947.65 mi (3,134.44 km) |
