| Mason City to Middletown (Ohio) | 522.60 mi (841.05 km) |
| Mason City to Midland (Michigan) | 451.27 mi (726.25 km) |
| Mason City to Midland (Texas) | 909.27 mi (1,463.33 km) |
| Mason City to Midlothian (Illinois) | 298.52 mi (480.42 km) |
| Mason City to Midlothian (Texas) | 766.25 mi (1,233.16 km) |
| Mason City to Midlothian (Virginia) | 905.83 mi (1,457.79 km) |
| Mason City to Midvale (Utah) | 975.26 mi (1,569.53 km) |
| Mason City to Midway (Florida) | 943.05 mi (1,517.69 km) |
| Mason City to Midwest City (Oklahoma) | 575.75 mi (926.59 km) |
| Mason City to Milford (Delaware) | 969.59 mi (1,560.40 km) |
| Mason City to Milford city (Connecticut) | 1,036.90 mi (1,668.73 km) |
| Mason City to Milford Mill (Maryland) | 891.52 mi (1,434.76 km) |
| Mason City to Mililani Mauka (Hawaii) | 3,962.51 mi (6,377.05 km) |
| Mason City to Mililani Town (Hawaii) | 3,964.76 mi (6,380.67 km) |
| Mason City to Mill Creek (Washington) | 1,432.64 mi (2,305.60 km) |
