| Katy to Delaware (Ohio) | 1,021.09 mi (1,643.29 km) |
| Katy to Delhi (California) | 1,523.51 mi (2,451.85 km) |
| Katy to Delray Beach (Florida) | 985.82 mi (1,586.52 km) |
| Katy to Deltona (Florida) | 882.13 mi (1,419.65 km) |
| Katy to Deming (New Mexico) | 725.54 mi (1,167.64 km) |
| Katy to Denison (Texas) | 278.23 mi (447.76 km) |
| Katy to Dent (Ohio) | 907.91 mi (1,461.14 km) |
| Katy to Denton (Texas) | 248.97 mi (400.68 km) |
| Katy to Dentsville (South Carolina) | 920.35 mi (1,481.15 km) |
| Katy to Denver (Colorado) | 857.97 mi (1,380.76 km) |
| Katy to Depew (New York) | 1,310.66 mi (2,109.31 km) |
| Katy to Derby (Connecticut) | 1,499.81 mi (2,413.71 km) |
| Katy to Derby (Kansas) | 542.77 mi (873.51 km) |
| Katy to Des Moines (Iowa) | 823.49 mi (1,325.28 km) |
| Katy to Des Moines (Washington) | 1,860.79 mi (2,994.66 km) |
