| Markham to Hoyo de Manzanares | 4,174.89 mi (6,718.84 km) |
| Markham to Huelva | 4,156.33 mi (6,688.96 km) |
| Markham to Huercal de Almeria | 4,379.73 mi (7,048.49 km) |
| Markham to Huercal-Overa | 4,383.61 mi (7,054.74 km) |
| Markham to Huesca | 4,273.44 mi (6,877.44 km) |
| Markham to Huetor Vega | 4,317.34 mi (6,948.09 km) |
| Markham to Huetor-Tajar | 4,293.49 mi (6,909.70 km) |
| Markham to Humanes de Madrid | 4,191.03 mi (6,744.80 km) |
| Markham to Ibi | 4,397.76 mi (7,077.52 km) |
| Markham to Ibiza | 4,476.69 mi (7,204.54 km) |
| Markham to Icod de los Vinos | 4,008.75 mi (6,451.45 km) |
| Markham to Igualada | 4,382.28 mi (7,052.59 km) |
| Markham to Illescas | 4,195.73 mi (6,752.38 km) |
| Markham to Inca | 4,510.57 mi (7,259.05 km) |
| Markham to Ingenio | 4,089.41 mi (6,581.27 km) |
