| Howard to Coudekerque-Branche | 3,951.73 mi (6,359.70 km) |
| Howard to Coueron | 3,933.38 mi (6,330.16 km) |
| Howard to Coulommiers | 4,060.37 mi (6,534.53 km) |
| Howard to Courbevoic | 4,025.71 mi (6,478.76 km) |
| Howard to Courcouronnes | 4,042.80 mi (6,506.25 km) |
| Howard to Cournon-d'Auvergne | 4,184.66 mi (6,734.56 km) |
| Howard to Courrieres | 3,993.22 mi (6,426.47 km) |
| Howard to Coutras | 4,079.11 mi (6,564.69 km) |
| Howard to Couzeix | 4,101.79 mi (6,601.19 km) |
| Howard to Cran-Gevrier | 4,291.62 mi (6,906.70 km) |
| Howard to Craponne | 4,244.44 mi (6,830.76 km) |
| Howard to Creil | 4,020.85 mi (6,470.93 km) |
| Howard to Crepy-en-Valois | 4,037.01 mi (6,496.94 km) |
| Howard to Crest | 4,297.66 mi (6,916.41 km) |
| Howard to Creteil | 4,037.73 mi (6,498.09 km) |
