| Mount Prospect to Cortona | 4,734.61 mi (7,619.62 km) |
| Mount Prospect to Cosenza | 5,080.34 mi (8,176.02 km) |
| Mount Prospect to Cossato | 4,488.83 mi (7,224.07 km) |
| Mount Prospect to Costa Volpino | 4,553.68 mi (7,328.44 km) |
| Mount Prospect to Creazzo | 4,619.49 mi (7,434.35 km) |
| Mount Prospect to Crema | 4,556.48 mi (7,332.94 km) |
| Mount Prospect to Cremona | 4,579.75 mi (7,370.40 km) |
| Mount Prospect to Crevalcore | 4,640.71 mi (7,468.50 km) |
| Mount Prospect to Crispiano | 5,059.91 mi (8,143.14 km) |
| Mount Prospect to Crosia | 5,088.81 mi (8,189.65 km) |
| Mount Prospect to Crotone | 5,124.99 mi (8,247.88 km) |
| Mount Prospect to Cuneo | 4,511.78 mi (7,261.01 km) |
| Mount Prospect to Cuorgne | 4,475.48 mi (7,202.58 km) |
| Mount Prospect to Cusano Milanino | 4,529.44 mi (7,289.43 km) |
| Mount Prospect to Cutro | 5,121.95 mi (8,242.98 km) |
