| Mason City to Horwich | 3,934.63 mi (6,332.18 km) |
| Mason City to Houghton le Spring | 3,929.87 mi (6,324.52 km) |
| Mason City to Houghton Regis | 4,066.51 mi (6,544.41 km) |
| Mason City to Hounslow | 4,087.87 mi (6,578.78 km) |
| Mason City to Hove | 4,118.40 mi (6,627.92 km) |
| Mason City to Hoyland Nether | 3,976.99 mi (6,400.35 km) |
| Mason City to Hucclecote | 4,008.01 mi (6,450.27 km) |
| Mason City to Huddersfield | 3,959.88 mi (6,372.80 km) |
| Mason City to Huntingdon | 4,063.60 mi (6,539.73 km) |
| Mason City to Huntington | 3,973.85 mi (6,395.30 km) |
| Mason City to Huyton | 3,930.03 mi (6,324.78 km) |
| Mason City to Hwlffordd | 3,906.41 mi (6,286.76 km) |
| Mason City to Hyde | 3,955.93 mi (6,366.45 km) |
| Mason City to Hythe | 4,071.91 mi (6,553.11 km) |
| Mason City to Hythe | 4,155.74 mi (6,688.01 km) |
