| Mason City to Hoddesdon | 4,090.28 mi (6,582.67 km) |
| Mason City to Holbeach | 4,053.40 mi (6,523.32 km) |
| Mason City to Holborn | 4,095.44 mi (6,590.97 km) |
| Mason City to Hollinwood | 3,951.28 mi (6,358.97 km) |
| Mason City to Holyhead | 3,868.72 mi (6,226.11 km) |
| Mason City to Holywell | 3,920.91 mi (6,310.10 km) |
| Mason City to Honiton | 4,007.49 mi (6,449.44 km) |
| Mason City to Horbury | 3,967.29 mi (6,384.74 km) |
| Mason City to Horley | 4,106.03 mi (6,608.02 km) |
| Mason City to Hornchurch | 4,105.99 mi (6,607.95 km) |
| Mason City to Horndean | 4,085.22 mi (6,574.53 km) |
| Mason City to Hornsey | 4,092.84 mi (6,586.79 km) |
| Mason City to Horsell | 4,086.08 mi (6,575.91 km) |
| Mason City to Horsforth | 3,958.10 mi (6,369.95 km) |
| Mason City to Horsham | 4,104.54 mi (6,605.62 km) |
