| Harrisburg to Coudekerque-Branche | 3,711.02 mi (5,972.32 km) |
| Harrisburg to Coueron | 3,635.38 mi (5,850.57 km) |
| Harrisburg to Coulommiers | 3,797.90 mi (6,112.13 km) |
| Harrisburg to Courbevoic | 3,760.96 mi (6,052.68 km) |
| Harrisburg to Courcouronnes | 3,775.76 mi (6,076.49 km) |
| Harrisburg to Cournon-d'Auvergne | 3,890.58 mi (6,261.29 km) |
| Harrisburg to Courrieres | 3,748.19 mi (6,032.13 km) |
| Harrisburg to Coutras | 3,764.36 mi (6,058.16 km) |
| Harrisburg to Couzeix | 3,801.11 mi (6,117.29 km) |
| Harrisburg to Cran-Gevrier | 4,011.34 mi (6,455.62 km) |
| Harrisburg to Craponne | 3,956.74 mi (6,367.75 km) |
| Harrisburg to Creil | 3,760.88 mi (6,052.56 km) |
| Harrisburg to Crepy-en-Valois | 3,778.32 mi (6,080.61 km) |
| Harrisburg to Crest | 4,001.17 mi (6,439.26 km) |
| Harrisburg to Creteil | 3,772.62 mi (6,071.44 km) |
