| Frederick to Cortona | 4,409.10 mi (7,095.76 km) |
| Frederick to Cosenza | 4,743.03 mi (7,633.16 km) |
| Frederick to Cossato | 4,167.38 mi (6,706.75 km) |
| Frederick to Costa Volpino | 4,241.13 mi (6,825.44 km) |
| Frederick to Creazzo | 4,309.55 mi (6,935.55 km) |
| Frederick to Crema | 4,238.74 mi (6,821.60 km) |
| Frederick to Cremona | 4,261.41 mi (6,858.08 km) |
| Frederick to Crevalcore | 4,323.14 mi (6,957.43 km) |
| Frederick to Crispiano | 4,735.67 mi (7,621.33 km) |
| Frederick to Crosia | 4,755.46 mi (7,653.18 km) |
| Frederick to Crotone | 4,789.78 mi (7,708.41 km) |
| Frederick to Cuneo | 4,178.72 mi (6,725.00 km) |
| Frederick to Cuorgne | 4,150.81 mi (6,680.08 km) |
| Frederick to Cusano Milanino | 4,211.40 mi (6,777.60 km) |
| Frederick to Cutro | 4,785.84 mi (7,702.06 km) |
