| Katy to Dallas (Oregon) | 1,821.42 mi (2,931.30 km) |
| Katy to Dallas (Texas) | 214.65 mi (345.44 km) |
| Katy to Dalton (Georgia) | 721.19 mi (1,160.64 km) |
| Katy to Daly City (California) | 1,617.85 mi (2,603.68 km) |
| Katy to Damascus (Maryland) | 1,243.08 mi (2,000.54 km) |
| Katy to Damascus (Oregon) | 1,799.11 mi (2,895.38 km) |
| Katy to Dana Point (California) | 1,308.41 mi (2,105.68 km) |
| Katy to Danbury (Connecticut) | 1,483.83 mi (2,387.99 km) |
| Katy to Dania Beach (Florida) | 989.91 mi (1,593.11 km) |
| Katy to Danville (California) | 1,593.05 mi (2,563.76 km) |
| Katy to Danville (Illinois) | 852.56 mi (1,372.06 km) |
| Katy to Danville (Indiana) | 867.74 mi (1,396.50 km) |
| Katy to Danville (Kentucky) | 834.43 mi (1,342.88 km) |
| Katy to Danville (Virginia) | 1,057.44 mi (1,701.78 km) |
| Katy to Daphne (Alabama) | 478.31 mi (769.77 km) |
