| Mason City to Chicago Ridge (Illinois) | 293.85 mi (472.91 km) |
| Mason City to Chickasha (Oklahoma) | 615.06 mi (989.84 km) |
| Mason City to Chico (California) | 1,492.84 mi (2,402.50 km) |
| Mason City to Chicopee (Massachusetts) | 1,047.56 mi (1,685.88 km) |
| Mason City to Chillicothe (Ohio) | 591.38 mi (951.74 km) |
| Mason City to Chillum (Maryland) | 891.38 mi (1,434.55 km) |
| Mason City to Chino (California) | 1,458.31 mi (2,346.93 km) |
| Mason City to Chino Hills (California) | 1,462.43 mi (2,353.56 km) |
| Mason City to Chino Valley (Arizona) | 1,179.82 mi (1,898.74 km) |
| Mason City to Chippewa Falls (Wisconsin) | 152.71 mi (245.76 km) |
| Mason City to Choctaw (Oklahoma) | 572.52 mi (921.38 km) |
| Mason City to Chowchilla (California) | 1,480.59 mi (2,382.78 km) |
| Mason City to Christiansburg (Virginia) | 791.82 mi (1,274.32 km) |
| Mason City to Chubbuck (Idaho) | 970.75 mi (1,562.27 km) |
| Mason City to Chula Vista (California) | 1,480.58 mi (2,382.76 km) |
