| Paducah to Cortona | 4,987.07 mi (8,025.91 km) |
| Paducah to Cosenza | 5,327.69 mi (8,574.08 km) |
| Paducah to Cossato | 4,742.67 mi (7,632.60 km) |
| Paducah to Costa Volpino | 4,811.84 mi (7,743.91 km) |
| Paducah to Creazzo | 4,879.00 mi (7,851.99 km) |
| Paducah to Crema | 4,812.23 mi (7,744.54 km) |
| Paducah to Cremona | 4,835.28 mi (7,781.63 km) |
| Paducah to Crevalcore | 4,896.74 mi (7,880.54 km) |
| Paducah to Crispiano | 5,313.67 mi (8,551.53 km) |
| Paducah to Crosia | 5,338.16 mi (8,590.94 km) |
| Paducah to Crotone | 5,373.49 mi (8,647.79 km) |
| Paducah to Cuneo | 4,760.05 mi (7,660.56 km) |
| Paducah to Cuorgne | 4,727.75 mi (7,608.58 km) |
| Paducah to Cusano Milanino | 4,784.99 mi (7,700.70 km) |
| Paducah to Cutro | 5,369.98 mi (8,642.15 km) |
