| Grand Forks to Coudekerque-Branche | 4,110.77 mi (6,615.64 km) |
| Grand Forks to Coueron | 4,135.69 mi (6,655.75 km) |
| Grand Forks to Coulommiers | 4,233.44 mi (6,813.06 km) |
| Grand Forks to Courbevoic | 4,201.21 mi (6,761.20 km) |
| Grand Forks to Courcouronnes | 4,219.67 mi (6,790.90 km) |
| Grand Forks to Cournon-d'Auvergne | 4,379.10 mi (7,047.48 km) |
| Grand Forks to Courrieres | 4,154.61 mi (6,686.20 km) |
| Grand Forks to Coutras | 4,291.14 mi (6,905.92 km) |
| Grand Forks to Couzeix | 4,302.79 mi (6,924.67 km) |
| Grand Forks to Cran-Gevrier | 4,473.58 mi (7,199.53 km) |
| Grand Forks to Craponne | 4,432.91 mi (7,134.07 km) |
| Grand Forks to Creil | 4,192.85 mi (6,747.74 km) |
| Grand Forks to Crepy-en-Valois | 4,207.72 mi (6,771.68 km) |
| Grand Forks to Crest | 4,491.79 mi (7,228.85 km) |
| Grand Forks to Creteil | 4,213.25 mi (6,780.57 km) |
