| Youngstown to Coudekerque-Branche | 3,824.60 mi (6,155.09 km) |
| Youngstown to Coueron | 3,765.17 mi (6,059.45 km) |
| Youngstown to Coulommiers | 3,918.06 mi (6,305.50 km) |
| Youngstown to Courbevoic | 3,881.65 mi (6,246.91 km) |
| Youngstown to Courcouronnes | 3,897.16 mi (6,271.87 km) |
| Youngstown to Cournon-d'Auvergne | 4,020.04 mi (6,469.63 km) |
| Youngstown to Courrieres | 3,863.14 mi (6,217.13 km) |
| Youngstown to Coutras | 3,899.28 mi (6,275.28 km) |
| Youngstown to Couzeix | 3,932.17 mi (6,328.21 km) |
| Youngstown to Cran-Gevrier | 4,137.24 mi (6,658.24 km) |
| Youngstown to Craponne | 4,084.58 mi (6,573.50 km) |
| Youngstown to Creil | 3,880.20 mi (6,244.57 km) |
| Youngstown to Crepy-en-Valois | 3,897.32 mi (6,272.14 km) |
| Youngstown to Crest | 4,131.62 mi (6,649.21 km) |
| Youngstown to Creteil | 3,893.45 mi (6,265.90 km) |
