| Hilliard to Duluth (Minnesota) | 647.37 mi (1,041.84 km) |
| Hilliard to Dumas (Texas) | 1,062.17 mi (1,709.40 km) |
| Hilliard to Dumont (New Jersey) | 485.47 mi (781.29 km) |
| Hilliard to Duncan (Oklahoma) | 894.45 mi (1,439.48 km) |
| Hilliard to Duncanville (Texas) | 918.46 mi (1,478.12 km) |
| Hilliard to Dundalk (Maryland) | 358.31 mi (576.65 km) |
| Hilliard to Dunedin (Florida) | 829.56 mi (1,335.04 km) |
| Hilliard to Dunkirk (New York) | 260.74 mi (419.63 km) |
| Hilliard to Dunmore (Pennsylvania) | 406.55 mi (654.28 km) |
| Hilliard to Dunwoody (Georgia) | 425.80 mi (685.26 km) |
| Hilliard to Durango (Colorado) | 1,343.14 mi (2,161.58 km) |
| Hilliard to Durant (Oklahoma) | 839.69 mi (1,351.36 km) |
| Hilliard to Durham (North Carolina) | 363.51 mi (585.02 km) |
| Hilliard to Dyer (Indiana) | 249.07 mi (400.84 km) |
| Hilliard to Dyersburg (Tennessee) | 436.28 mi (702.12 km) |
