| Markham to Duluth (Minnesota) | 419.91 mi (675.78 km) |
| Markham to Dumas (Texas) | 863.98 mi (1,390.44 km) |
| Markham to Dumont (New Jersey) | 712.02 mi (1,145.88 km) |
| Markham to Duncan (Oklahoma) | 739.03 mi (1,189.36 km) |
| Markham to Duncanville (Texas) | 799.52 mi (1,286.71 km) |
| Markham to Dundalk (Maryland) | 609.90 mi (981.54 km) |
| Markham to Dunedin (Florida) | 977.34 mi (1,572.88 km) |
| Markham to Dunkirk (New York) | 432.99 mi (696.83 km) |
| Markham to Dunmore (Pennsylvania) | 624.83 mi (1,005.56 km) |
| Markham to Dunwoody (Georgia) | 560.25 mi (901.63 km) |
| Markham to Durango (Colorado) | 1,115.24 mi (1,794.80 km) |
| Markham to Durant (Oklahoma) | 707.62 mi (1,138.81 km) |
| Markham to Durham (North Carolina) | 611.66 mi (984.37 km) |
| Markham to Dyer (Indiana) | 11.74 mi (18.90 km) |
| Markham to Dyersburg (Tennessee) | 394.29 mi (634.55 km) |
