| Fort Collins to Caldicot | 4,551.64 mi (7,325.16 km) |
| Fort Collins to Calne | 4,583.77 mi (7,376.87 km) |
| Fort Collins to Cam | 4,560.62 mi (7,339.60 km) |
| Fort Collins to Camberley | 4,631.79 mi (7,454.14 km) |
| Fort Collins to Camborne | 4,515.30 mi (7,266.68 km) |
| Fort Collins to Cambridge | 4,624.97 mi (7,443.17 km) |
| Fort Collins to Cambuslang | 4,339.15 mi (6,983.19 km) |
| Fort Collins to Canford Cliffs | 4,616.54 mi (7,429.61 km) |
| Fort Collins to Cannock | 4,532.31 mi (7,294.04 km) |
| Fort Collins to Canterbury | 4,696.55 mi (7,558.36 km) |
| Fort Collins to Carlisle | 4,414.64 mi (7,104.67 km) |
| Fort Collins to Carlton Colville | 4,667.06 mi (7,510.90 km) |
| Fort Collins to Carluke | 4,353.20 mi (7,005.81 km) |
| Fort Collins to Carnoustie | 4,360.12 mi (7,016.93 km) |
| Fort Collins to Carshalton | 4,650.30 mi (7,483.94 km) |
