| Markham to Horizon West (Florida) | 971.30 mi (1,563.15 km) |
| Markham to Hormigueros (Puerto Rico) | 2,024.55 mi (3,258.19 km) |
| Markham to Horn Lake (Mississippi) | 476.83 mi (767.38 km) |
| Markham to Hot Springs (Arkansas) | 571.05 mi (919.02 km) |
| Markham to Hot Springs Village (Arkansas) | 558.58 mi (898.94 km) |
| Markham to Houma (Louisiana) | 847.45 mi (1,363.84 km) |
| Markham to Houston (Texas) | 922.56 mi (1,484.71 km) |
| Markham to Howard (Wisconsin) | 206.23 mi (331.89 km) |
| Markham to Huber Heights (Ohio) | 222.56 mi (358.17 km) |
| Markham to Hudson (Florida) | 957.17 mi (1,540.41 km) |
| Markham to Hudson (Ohio) | 324.69 mi (522.53 km) |
| Markham to Hudson (Wisconsin) | 343.83 mi (553.34 km) |
| Markham to Hueytown (Alabama) | 566.09 mi (911.04 km) |
| Markham to Hugo (Minnesota) | 361.42 mi (581.65 km) |
| Markham to Humacao (Puerto Rico) | 2,070.77 mi (3,332.58 km) |
