| Frederick to Corato | 4,678.34 mi (7,529.07 km) |
| Frederick to Corbetta | 4,202.72 mi (6,763.63 km) |
| Frederick to Corciano | 4,426.90 mi (7,124.41 km) |
| Frederick to Cordenons | 4,345.21 mi (6,992.93 km) |
| Frederick to Cori | 4,507.76 mi (7,254.54 km) |
| Frederick to Coriano | 4,411.12 mi (7,099.01 km) |
| Frederick to Corigliano Calabro | 4,743.16 mi (7,633.38 km) |
| Frederick to Corleone | 4,667.36 mi (7,511.39 km) |
| Frederick to Cormano | 4,210.69 mi (6,776.46 km) |
| Frederick to Cornaredo | 4,206.62 mi (6,769.91 km) |
| Frederick to Cornate d'Adda | 4,220.22 mi (6,791.78 km) |
| Frederick to Cornedo Vicentino | 4,301.11 mi (6,921.96 km) |
| Frederick to Correggio | 4,305.60 mi (6,929.20 km) |
| Frederick to Corridonia | 4,475.93 mi (7,203.32 km) |
| Frederick to Corsico | 4,212.36 mi (6,779.14 km) |
