| Thornbury to Dardenne Prairie (Missouri) | 4,118.95 mi (6,628.81 km) |
| Thornbury to Darien (Illinois) | 3,872.24 mi (6,231.78 km) |
| Thornbury to Davenport (Iowa) | 3,981.29 mi (6,407.27 km) |
| Thornbury to Davidson (North Carolina) | 3,877.20 mi (6,239.75 km) |
| Thornbury to Davie (Florida) | 4,313.64 mi (6,942.14 km) |
| Thornbury to Davis (California) | 5,211.96 mi (8,387.84 km) |
| Thornbury to Dayton (Nevada) | 5,105.62 mi (8,216.70 km) |
| Thornbury to Dayton (Ohio) | 3,814.46 mi (6,138.78 km) |
| Thornbury to Daytona Beach (Florida) | 4,192.18 mi (6,746.67 km) |
| Thornbury to De Pere (Wisconsin) | 3,754.04 mi (6,041.55 km) |
| Thornbury to De Witt (New York) | 3,347.18 mi (5,386.77 km) |
| Thornbury to Dearborn (Michigan) | 3,661.32 mi (5,892.33 km) |
| Thornbury to Dearborn Heights (Michigan) | 3,663.66 mi (5,896.10 km) |
| Thornbury to DeBary (Florida) | 4,217.44 mi (6,787.32 km) |
| Thornbury to Decatur (Alabama) | 4,172.58 mi (6,715.11 km) |
