| Mentor to Duluth (Minnesota) | 639.06 mi (1,028.47 km) |
| Mentor to Dumas (Texas) | 1,178.30 mi (1,896.29 km) |
| Mentor to Dumont (New Jersey) | 384.43 mi (618.68 km) |
| Mentor to Duncan (Oklahoma) | 1,025.49 mi (1,650.37 km) |
| Mentor to Duncanville (Texas) | 1,058.35 mi (1,703.24 km) |
| Mentor to Dundalk (Maryland) | 304.37 mi (489.83 km) |
| Mentor to Dunedin (Florida) | 947.10 mi (1,524.21 km) |
| Mentor to Dunkirk (New York) | 116.37 mi (187.28 km) |
| Mentor to Dunmore (Pennsylvania) | 296.77 mi (477.61 km) |
| Mentor to Dunwoody (Georgia) | 559.30 mi (900.11 km) |
| Mentor to Durango (Colorado) | 1,442.02 mi (2,320.71 km) |
| Mentor to Durant (Oklahoma) | 976.31 mi (1,571.23 km) |
| Mentor to Durham (North Carolina) | 415.66 mi (668.94 km) |
| Mentor to Dyer (Indiana) | 319.17 mi (513.66 km) |
| Mentor to Dyersburg (Tennessee) | 581.88 mi (936.44 km) |
