| Imperial Beach to Cortona | 6,289.63 mi (10,122.18 km) |
| Imperial Beach to Cosenza | 6,642.22 mi (10,689.63 km) |
| Imperial Beach to Cossato | 6,045.75 mi (9,729.70 km) |
| Imperial Beach to Costa Volpino | 6,095.81 mi (9,810.25 km) |
| Imperial Beach to Creazzo | 6,155.58 mi (9,906.45 km) |
| Imperial Beach to Crema | 6,105.97 mi (9,826.61 km) |
| Imperial Beach to Cremona | 6,129.36 mi (9,864.25 km) |
| Imperial Beach to Crevalcore | 6,187.23 mi (9,957.39 km) |
| Imperial Beach to Crispiano | 6,602.92 mi (10,626.37 km) |
| Imperial Beach to Crosia | 6,644.59 mi (10,693.44 km) |
| Imperial Beach to Crotone | 6,682.47 mi (10,754.40 km) |
| Imperial Beach to Cuneo | 6,084.02 mi (9,791.29 km) |
| Imperial Beach to Cuorgne | 6,037.30 mi (9,716.09 km) |
| Imperial Beach to Cusano Milanino | 6,080.24 mi (9,785.20 km) |
| Imperial Beach to Cutro | 6,680.86 mi (10,751.80 km) |
