| Des Plaines to Cortona | 4,734.46 mi (7,619.38 km) |
| Des Plaines to Cosenza | 5,080.14 mi (8,175.70 km) |
| Des Plaines to Cossato | 4,488.69 mi (7,223.85 km) |
| Des Plaines to Costa Volpino | 4,553.59 mi (7,328.30 km) |
| Des Plaines to Creazzo | 4,619.42 mi (7,434.24 km) |
| Des Plaines to Crema | 4,556.36 mi (7,332.76 km) |
| Des Plaines to Cremona | 4,579.64 mi (7,370.21 km) |
| Des Plaines to Crevalcore | 4,640.60 mi (7,468.33 km) |
| Des Plaines to Crispiano | 5,059.79 mi (8,142.94 km) |
| Des Plaines to Crosia | 5,088.63 mi (8,189.36 km) |
| Des Plaines to Crotone | 5,124.81 mi (8,247.58 km) |
| Des Plaines to Cuneo | 4,511.58 mi (7,260.68 km) |
| Des Plaines to Cuorgne | 4,475.32 mi (7,202.33 km) |
| Des Plaines to Cusano Milanino | 4,529.32 mi (7,289.24 km) |
| Des Plaines to Cutro | 5,121.76 mi (8,242.68 km) |
