| Richardson to Coudekerque-Branche | 4,846.61 mi (7,799.86 km) |
| Richardson to Coueron | 4,803.36 mi (7,730.26 km) |
| Richardson to Coulommiers | 4,947.21 mi (7,961.76 km) |
| Richardson to Courbevoic | 4,911.46 mi (7,904.24 km) |
| Richardson to Courcouronnes | 4,927.65 mi (7,930.28 km) |
| Richardson to Cournon-d'Auvergne | 5,057.56 mi (8,139.35 km) |
| Richardson to Courrieres | 4,886.67 mi (7,864.34 km) |
| Richardson to Coutras | 4,940.75 mi (7,951.38 km) |
| Richardson to Couzeix | 4,971.04 mi (8,000.11 km) |
| Richardson to Cran-Gevrier | 5,171.52 mi (8,322.75 km) |
| Richardson to Craponne | 5,120.67 mi (8,240.92 km) |
| Richardson to Creil | 4,908.57 mi (7,899.58 km) |
| Richardson to Crepy-en-Valois | 4,925.31 mi (7,926.52 km) |
| Richardson to Crest | 5,169.75 mi (8,319.90 km) |
| Richardson to Creteil | 4,923.37 mi (7,923.41 km) |
