| Mason City to Channelview (Texas) | 928.94 mi (1,494.98 km) |
| Mason City to Chantilly (Virginia) | 870.85 mi (1,401.51 km) |
| Mason City to Chaparral (New Mexico) | 1,051.63 mi (1,692.44 km) |
| Mason City to Chapel Hill (North Carolina) | 902.68 mi (1,452.72 km) |
| Mason City to Charleston (Illinois) | 363.21 mi (584.52 km) |
| Mason City to Charleston (South Carolina) | 1,011.89 mi (1,628.48 km) |
| Mason City to Charleston (West Virginia) | 689.49 mi (1,109.62 km) |
| Mason City to Charlotte (North Carolina) | 858.56 mi (1,381.71 km) |
| Mason City to Charlottesville (Virginia) | 847.37 mi (1,363.71 km) |
| Mason City to Chaska (Minnesota) | 117.01 mi (188.31 km) |
| Mason City to Chatham (Illinois) | 301.06 mi (484.50 km) |
| Mason City to Chattanooga (Tennessee) | 701.86 mi (1,129.54 km) |
| Mason City to Cheat Lake (West Virginia) | 731.14 mi (1,176.65 km) |
| Mason City to Chelsea (Alabama) | 766.00 mi (1,232.76 km) |
| Mason City to Chelsea (Massachusetts) | 1,122.21 mi (1,806.02 km) |
