| Prospect Heights to Dallas (Oregon) | 1,769.61 mi (2,847.91 km) |
| Prospect Heights to Dallas (Texas) | 804.58 mi (1,294.84 km) |
| Prospect Heights to Dalton (Georgia) | 531.33 mi (855.09 km) |
| Prospect Heights to Daly City (California) | 1,843.45 mi (2,966.75 km) |
| Prospect Heights to Damascus (Maryland) | 594.83 mi (957.29 km) |
| Prospect Heights to Damascus (Oregon) | 1,724.11 mi (2,774.68 km) |
| Prospect Heights to Dana Point (California) | 1,720.83 mi (2,769.41 km) |
| Prospect Heights to Danbury (Connecticut) | 745.82 mi (1,200.27 km) |
| Prospect Heights to Dania Beach (Florida) | 1,192.95 mi (1,919.86 km) |
| Prospect Heights to Danville (California) | 1,814.88 mi (2,920.77 km) |
| Prospect Heights to Danville (Illinois) | 136.50 mi (219.68 km) |
| Prospect Heights to Danville (Indiana) | 178.30 mi (286.95 km) |
| Prospect Heights to Danville (Kentucky) | 350.55 mi (564.16 km) |
| Prospect Heights to Danville (Virginia) | 593.32 mi (954.85 km) |
| Prospect Heights to Daphne (Alabama) | 793.03 mi (1,276.26 km) |
