| Troy to Dover (New Hampshire) | 621.59 mi (1,000.35 km) |
| Troy to Dover (New Jersey) | 457.71 mi (736.62 km) |
| Troy to Dover (Ohio) | 165.82 mi (266.86 km) |
| Troy to Downers Grove (Illinois) | 255.21 mi (410.72 km) |
| Troy to Downey (California) | 1,973.82 mi (3,176.55 km) |
| Troy to Dranesville (Virginia) | 390.61 mi (628.63 km) |
| Troy to Draper (Utah) | 1,484.85 mi (2,389.64 km) |
| Troy to Drexel Heights (Arizona) | 1,683.03 mi (2,708.58 km) |
| Troy to Drexel Hill (Pennsylvania) | 445.79 mi (717.44 km) |
| Troy to Duarte (California) | 1,957.47 mi (3,150.24 km) |
| Troy to Dublin (California) | 2,055.65 mi (3,308.24 km) |
| Troy to Dublin (Georgia) | 694.19 mi (1,117.19 km) |
| Troy to Dublin (Ohio) | 170.70 mi (274.71 km) |
| Troy to Dubuque (Iowa) | 384.84 mi (619.34 km) |
| Troy to Duluth (Georgia) | 595.05 mi (957.64 km) |
