| Westmont to Dallas (Oregon) | 804.00 mi (1,293.92 km) |
| Westmont to Dallas (Texas) | 1,242.91 mi (2,000.27 km) |
| Westmont to Dalton (Georgia) | 1,893.24 mi (3,046.87 km) |
| Westmont to Daly City (California) | 348.40 mi (560.69 km) |
| Westmont to Damascus (Maryland) | 2,289.60 mi (3,684.76 km) |
| Westmont to Damascus (Oregon) | 823.00 mi (1,324.49 km) |
| Westmont to Dana Point (California) | 47.51 mi (76.46 km) |
| Westmont to Danbury (Connecticut) | 2,476.88 mi (3,986.15 km) |
| Westmont to Dania Beach (Florida) | 2,332.00 mi (3,752.99 km) |
| Westmont to Danville (California) | 337.10 mi (542.51 km) |
| Westmont to Danville (Illinois) | 1,736.54 mi (2,794.70 km) |
| Westmont to Danville (Indiana) | 1,793.48 mi (2,886.33 km) |
| Westmont to Danville (Kentucky) | 1,886.06 mi (3,035.31 km) |
| Westmont to Danville (Virginia) | 2,186.86 mi (3,519.42 km) |
| Westmont to Daphne (Alabama) | 1,785.05 mi (2,872.76 km) |
