| Ironton to Coudekerque-Branche | 4,022.94 mi (6,474.30 km) |
| Ironton to Coueron | 3,956.75 mi (6,367.78 km) |
| Ironton to Coulommiers | 4,113.97 mi (6,620.79 km) |
| Ironton to Courbevoic | 4,077.33 mi (6,561.84 km) |
| Ironton to Courcouronnes | 4,092.55 mi (6,586.33 km) |
| Ironton to Cournon-d'Auvergne | 4,211.86 mi (6,778.34 km) |
| Ironton to Courrieres | 4,061.02 mi (6,535.57 km) |
| Ironton to Coutras | 4,088.27 mi (6,579.43 km) |
| Ironton to Couzeix | 4,123.18 mi (6,635.61 km) |
| Ironton to Cran-Gevrier | 4,330.76 mi (6,969.69 km) |
| Ironton to Craponne | 4,277.19 mi (6,883.48 km) |
| Ironton to Creil | 4,076.43 mi (6,560.38 km) |
| Ironton to Crepy-en-Valois | 4,093.68 mi (6,588.15 km) |
| Ironton to Crest | 4,322.99 mi (6,957.18 km) |
| Ironton to Creteil | 4,089.08 mi (6,580.74 km) |
