| Radford to Duluth (Minnesota) | 891.93 mi (1,435.42 km) |
| Radford to Dumas (Texas) | 1,189.67 mi (1,914.60 km) |
| Radford to Dumont (New Jersey) | 440.17 mi (708.39 km) |
| Radford to Duncan (Oklahoma) | 987.36 mi (1,589.01 km) |
| Radford to Duncanville (Texas) | 975.63 mi (1,570.12 km) |
| Radford to Dundalk (Maryland) | 265.90 mi (427.92 km) |
| Radford to Dunedin (Florida) | 641.25 mi (1,031.99 km) |
| Radford to Dunkirk (New York) | 375.81 mi (604.81 km) |
| Radford to Dunmore (Pennsylvania) | 397.48 mi (639.68 km) |
| Radford to Dunwoody (Georgia) | 304.66 mi (490.30 km) |
| Radford to Durango (Colorado) | 1,498.39 mi (2,411.42 km) |
| Radford to Durant (Oklahoma) | 914.64 mi (1,471.98 km) |
| Radford to Durham (North Carolina) | 121.23 mi (195.10 km) |
| Radford to Dyer (Indiana) | 478.70 mi (770.39 km) |
| Radford to Dyersburg (Tennessee) | 494.71 mi (796.16 km) |
