| Markham to Hazelwood (Missouri) | 240.61 mi (387.23 km) |
| Markham to Hazleton (Pennsylvania) | 609.66 mi (981.15 km) |
| Markham to Healdsburg (California) | 1,857.12 mi (2,988.74 km) |
| Markham to Heath (Ohio) | 295.24 mi (475.14 km) |
| Markham to Heber (Utah) | 1,233.69 mi (1,985.43 km) |
| Markham to Helena (Alabama) | 576.31 mi (927.49 km) |
| Markham to Helena (Montana) | 1,249.95 mi (2,011.60 km) |
| Markham to Hemet (California) | 1,682.86 mi (2,708.30 km) |
| Markham to Henderson (Kentucky) | 259.88 mi (418.23 km) |
| Markham to Henderson (Nevada) | 1,515.16 mi (2,438.42 km) |
| Markham to Henderson (North Carolina) | 616.75 mi (992.56 km) |
| Markham to Henderson (Texas) | 760.82 mi (1,224.42 km) |
| Markham to Hendersonville (North Carolina) | 517.58 mi (832.96 km) |
| Markham to Hendersonville (Tennessee) | 370.41 mi (596.12 km) |
| Markham to Hercules (California) | 1,839.07 mi (2,959.69 km) |
