| Columbia Heights to Chivasso | 4,563.63 mi (7,344.45 km) |
| Columbia Heights to Ciampino | 4,895.92 mi (7,879.23 km) |
| Columbia Heights to Cicciano | 5,007.73 mi (8,059.16 km) |
| Columbia Heights to Cingoli | 4,843.39 mi (7,794.68 km) |
| Columbia Heights to Cinisello Balsamo | 4,596.12 mi (7,396.74 km) |
| Columbia Heights to Cinisi | 5,090.86 mi (8,192.95 km) |
| Columbia Heights to Cirie | 4,551.03 mi (7,324.18 km) |
| Columbia Heights to Ciro Marina | 5,182.29 mi (8,340.09 km) |
| Columbia Heights to Cislago | 4,582.47 mi (7,374.77 km) |
| Columbia Heights to Cisterna di Latina | 4,914.44 mi (7,909.03 km) |
| Columbia Heights to Cisternino | 5,124.84 mi (8,247.63 km) |
| Columbia Heights to Citta di Castello | 4,803.57 mi (7,730.60 km) |
| Columbia Heights to Citta Sant'Angelo | 4,914.55 mi (7,909.21 km) |
| Columbia Heights to Cittadella | 4,683.90 mi (7,538.00 km) |
| Columbia Heights to Cittanova | 5,194.78 mi (8,360.19 km) |
