| Fort Collins to Clacton-on-Sea | 4,677.00 mi (7,526.90 km) |
| Fort Collins to Clay Cross | 4,534.00 mi (7,296.77 km) |
| Fort Collins to Clayton | 4,495.74 mi (7,235.19 km) |
| Fort Collins to Clayton le Moors | 4,476.98 mi (7,205.00 km) |
| Fort Collins to Cleckheaton | 4,501.17 mi (7,243.93 km) |
| Fort Collins to Cleethorpes | 4,564.39 mi (7,345.67 km) |
| Fort Collins to Clevedon | 4,554.13 mi (7,329.16 km) |
| Fort Collins to Clifton | 4,552.47 mi (7,326.49 km) |
| Fort Collins to Clifton | 4,511.82 mi (7,261.07 km) |
| Fort Collins to Cliftonville | 4,702.95 mi (7,568.67 km) |
| Fort Collins to Clitheroe | 4,472.92 mi (7,198.46 km) |
| Fort Collins to Clydebank | 4,328.52 mi (6,966.08 km) |
| Fort Collins to Coalville | 4,553.31 mi (7,327.84 km) |
| Fort Collins to Coatbridge | 4,342.09 mi (6,987.91 km) |
| Fort Collins to Cobham | 4,643.51 mi (7,473.01 km) |
