| Boulder City to Caldicot | 5,141.36 mi (8,274.22 km) |
| Boulder City to Calne | 5,172.87 mi (8,324.93 km) |
| Boulder City to Cam | 5,149.43 mi (8,287.20 km) |
| Boulder City to Camberley | 5,219.28 mi (8,399.62 km) |
| Boulder City to Camborne | 5,112.64 mi (8,228.00 km) |
| Boulder City to Cambridge | 5,208.33 mi (8,381.99 km) |
| Boulder City to Cambuslang | 4,916.48 mi (7,912.31 km) |
| Boulder City to Canford Cliffs | 5,207.77 mi (8,381.10 km) |
| Boulder City to Cannock | 5,117.43 mi (8,235.72 km) |
| Boulder City to Canterbury | 5,281.31 mi (8,499.44 km) |
| Boulder City to Carlisle | 4,993.56 mi (8,036.36 km) |
| Boulder City to Carlton Colville | 5,247.00 mi (8,444.24 km) |
| Boulder City to Carluke | 4,930.36 mi (7,934.64 km) |
| Boulder City to Carnoustie | 4,932.64 mi (7,938.31 km) |
| Boulder City to Carshalton | 5,236.80 mi (8,427.82 km) |
