| Fort Collins to Cosham | 4,640.97 mi (7,468.92 km) |
| Fort Collins to Costessey | 4,642.56 mi (7,471.48 km) |
| Fort Collins to Cottingham | 4,542.08 mi (7,309.77 km) |
| Fort Collins to Coulsdon | 4,653.14 mi (7,488.51 km) |
| Fort Collins to Coventry | 4,561.34 mi (7,340.77 km) |
| Fort Collins to Cowdenbeath | 4,354.59 mi (7,008.04 km) |
| Fort Collins to Cowes | 4,636.21 mi (7,461.27 km) |
| Fort Collins to Cowley | 4,632.75 mi (7,455.69 km) |
| Fort Collins to Cowley | 4,599.05 mi (7,401.46 km) |
| Fort Collins to Cramlington | 4,451.50 mi (7,164.00 km) |
| Fort Collins to Cranleigh | 4,649.16 mi (7,482.09 km) |
| Fort Collins to Crawley | 4,660.34 mi (7,500.10 km) |
| Fort Collins to Crayford | 4,658.74 mi (7,497.51 km) |
| Fort Collins to Crewe | 4,501.94 mi (7,245.18 km) |
| Fort Collins to Crigglestone | 4,510.96 mi (7,259.69 km) |
