| Mason City to Celbridge | 3,798.21 mi (6,112.63 km) |
| Mason City to Clondalkin | 3,804.06 mi (6,122.04 km) |
| Mason City to Clonmel | 3,785.69 mi (6,092.48 km) |
| Mason City to Cobh | 3,779.40 mi (6,082.36 km) |
| Mason City to Cork | 3,771.37 mi (6,069.43 km) |
| Mason City to Donegal | 3,700.73 mi (5,955.75 km) |
| Mason City to Douglas | 3,773.32 mi (6,072.57 km) |
| Mason City to Drogheda | 3,793.14 mi (6,104.47 km) |
| Mason City to Dublin | 3,808.04 mi (6,128.45 km) |
| Mason City to Dun Dealgan | 3,782.02 mi (6,086.58 km) |
| Mason City to Ennis | 3,722.84 mi (5,991.33 km) |
| Mason City to Enniscorthy | 3,823.83 mi (6,153.86 km) |
| Mason City to Finglas | 3,806.10 mi (6,125.33 km) |
| Mason City to Galway | 3,707.46 mi (5,966.58 km) |
| Mason City to Glanmire | 3,773.42 mi (6,072.73 km) |
