| Markham to Hillcrest Heights (Maryland) | 596.74 mi (960.36 km) |
| Markham to Hilliard (Ohio) | 260.45 mi (419.16 km) |
| Markham to Hillsboro (Oregon) | 1,770.77 mi (2,849.78 km) |
| Markham to Hillsborough (California) | 1,854.53 mi (2,984.58 km) |
| Markham to Hillsborough (New Jersey) | 682.85 mi (1,098.94 km) |
| Markham to Hilo (Hawaii) | 4,171.60 mi (6,713.55 km) |
| Markham to Hilton Head Island (South Carolina) | 754.24 mi (1,213.83 km) |
| Markham to Hinesville (Georgia) | 754.11 mi (1,213.62 km) |
| Markham to Hinsdale (Illinois) | 18.48 mi (29.75 km) |
| Markham to Hobart (Indiana) | 22.39 mi (36.03 km) |
| Markham to Hobbs (New Mexico) | 1,046.76 mi (1,684.59 km) |
| Markham to Hobe Sound (Florida) | 1,091.07 mi (1,755.90 km) |
| Markham to Hoboken (New Jersey) | 712.26 mi (1,146.27 km) |
| Markham to Hockessin (Delaware) | 640.96 mi (1,031.52 km) |
| Markham to Hoffman Estates (Illinois) | 39.75 mi (63.97 km) |
