| Preakness to Cortona | 4,211.53 mi (6,777.80 km) |
| Preakness to Cosenza | 4,545.22 mi (7,314.82 km) |
| Preakness to Cossato | 3,969.98 mi (6,389.06 km) |
| Preakness to Costa Volpino | 4,043.99 mi (6,508.18 km) |
| Preakness to Creazzo | 4,112.48 mi (6,618.40 km) |
| Preakness to Crema | 4,041.43 mi (6,504.05 km) |
| Preakness to Cremona | 4,064.07 mi (6,540.50 km) |
| Preakness to Crevalcore | 4,125.81 mi (6,639.85 km) |
| Preakness to Crispiano | 4,538.07 mi (7,303.32 km) |
| Preakness to Crosia | 4,557.70 mi (7,334.91 km) |
| Preakness to Crotone | 4,591.99 mi (7,390.10 km) |
| Preakness to Cuneo | 3,981.04 mi (6,406.86 km) |
| Preakness to Cuorgne | 3,953.32 mi (6,362.25 km) |
| Preakness to Cusano Milanino | 4,014.09 mi (6,460.05 km) |
| Preakness to Cutro | 4,588.04 mi (7,383.73 km) |
