| Towson to Coudekerque-Branche | 3,739.51 mi (6,018.15 km) |
| Towson to Coueron | 3,658.26 mi (5,887.39 km) |
| Towson to Coulommiers | 3,824.12 mi (6,154.32 km) |
| Towson to Courbevoic | 3,787.01 mi (6,094.61 km) |
| Towson to Courcouronnes | 3,801.56 mi (6,118.01 km) |
| Towson to Cournon-d'Auvergne | 3,913.43 mi (6,298.06 km) |
| Towson to Courrieres | 3,776.19 mi (6,077.19 km) |
| Towson to Coutras | 3,785.23 mi (6,091.74 km) |
| Towson to Couzeix | 3,823.42 mi (6,153.19 km) |
| Towson to Cran-Gevrier | 4,035.41 mi (6,494.37 km) |
| Towson to Craponne | 3,980.14 mi (6,405.42 km) |
| Towson to Creil | 3,787.41 mi (6,095.25 km) |
| Towson to Crepy-en-Valois | 3,804.94 mi (6,123.46 km) |
| Towson to Crest | 4,023.59 mi (6,475.34 km) |
| Towson to Creteil | 3,798.61 mi (6,113.28 km) |
