| Ironton to Carlsbad (California) | 1,962.28 mi (3,157.98 km) |
| Ironton to Carlsbad (New Mexico) | 1,281.45 mi (2,062.30 km) |
| Ironton to Carmel (Indiana) | 210.29 mi (338.44 km) |
| Ironton to Carmichael (California) | 2,071.67 mi (3,334.03 km) |
| Ironton to Carney (Maryland) | 335.99 mi (540.73 km) |
| Ironton to Carnot-Moon (Pennsylvania) | 189.79 mi (305.44 km) |
| Ironton to Carol Stream (Illinois) | 370.63 mi (596.48 km) |
| Ironton to Carolina (Puerto Rico) | 1,714.89 mi (2,759.85 km) |
| Ironton to Carolina Forest (South Carolina) | 390.57 mi (628.56 km) |
| Ironton to Carpentersville (Illinois) | 385.74 mi (620.78 km) |
| Ironton to Carpinteria (California) | 2,052.78 mi (3,303.63 km) |
| Ironton to Carrboro (North Carolina) | 267.24 mi (430.08 km) |
| Ironton to Carroll (Iowa) | 686.34 mi (1,104.56 km) |
| Ironton to Carrollton (Georgia) | 367.46 mi (591.37 km) |
| Ironton to Carrollton (Texas) | 883.25 mi (1,421.45 km) |
