| Columbia Heights to Cortona | 4,803.01 mi (7,729.70 km) |
| Columbia Heights to Cosenza | 5,153.48 mi (8,293.72 km) |
| Columbia Heights to Cossato | 4,557.00 mi (7,333.78 km) |
| Columbia Heights to Costa Volpino | 4,615.24 mi (7,427.51 km) |
| Columbia Heights to Creazzo | 4,678.64 mi (7,529.54 km) |
| Columbia Heights to Crema | 4,621.46 mi (7,437.52 km) |
| Columbia Heights to Cremona | 4,644.90 mi (7,475.24 km) |
| Columbia Heights to Crevalcore | 4,704.72 mi (7,571.52 km) |
| Columbia Heights to Crispiano | 5,124.32 mi (8,246.80 km) |
| Columbia Heights to Crosia | 5,159.15 mi (8,302.85 km) |
| Columbia Heights to Crotone | 5,196.27 mi (8,362.60 km) |
| Columbia Heights to Cuneo | 4,587.50 mi (7,382.87 km) |
| Columbia Heights to Cuorgne | 4,545.93 mi (7,315.97 km) |
| Columbia Heights to Cusano Milanino | 4,594.90 mi (7,394.78 km) |
| Columbia Heights to Cutro | 5,193.88 mi (8,358.74 km) |
