| Preakness to Coudekerque-Branche | 3,574.10 mi (5,751.96 km) |
| Preakness to Coueron | 3,493.83 mi (5,622.78 km) |
| Preakness to Coulommiers | 3,658.92 mi (5,888.46 km) |
| Preakness to Courbevoic | 3,621.84 mi (5,828.78 km) |
| Preakness to Courcouronnes | 3,636.42 mi (5,852.26 km) |
| Preakness to Cournon-d'Auvergne | 3,749.03 mi (6,033.48 km) |
| Preakness to Courrieres | 3,610.81 mi (5,811.03 km) |
| Preakness to Coutras | 3,621.55 mi (5,828.31 km) |
| Preakness to Couzeix | 3,659.19 mi (5,888.89 km) |
| Preakness to Cran-Gevrier | 3,870.66 mi (6,229.22 km) |
| Preakness to Craponne | 3,815.57 mi (6,140.56 km) |
| Preakness to Creil | 3,622.17 mi (5,829.31 km) |
| Preakness to Crepy-en-Valois | 3,639.68 mi (5,857.51 km) |
| Preakness to Crest | 3,859.33 mi (6,210.99 km) |
| Preakness to Creteil | 3,633.45 mi (5,847.47 km) |
