| Mason City to Hamilton | 3,810.20 mi (6,131.92 km) |
| Mason City to Hammersmith | 4,092.47 mi (6,586.19 km) |
| Mason City to Hampton | 4,089.80 mi (6,581.89 km) |
| Mason City to Hamworthy | 4,054.48 mi (6,525.06 km) |
| Mason City to Handsworth | 3,982.91 mi (6,409.87 km) |
| Mason City to Hanwell | 4,087.67 mi (6,578.48 km) |
| Mason City to Harborne | 3,994.96 mi (6,429.27 km) |
| Mason City to Harlow | 4,094.73 mi (6,589.83 km) |
| Mason City to Harpenden | 4,075.90 mi (6,559.53 km) |
| Mason City to Harrogate | 3,956.48 mi (6,367.34 km) |
| Mason City to Harrow | 4,084.64 mi (6,573.60 km) |
| Mason City to Harrow on the Hill | 4,085.80 mi (6,575.46 km) |
| Mason City to Harrow Weald | 4,084.17 mi (6,572.83 km) |
| Mason City to Hartlepool | 3,943.97 mi (6,347.20 km) |
| Mason City to Harwich | 4,130.01 mi (6,646.62 km) |
