| Niagara Falls to Caldicot | 3,453.32 mi (5,557.59 km) |
| Niagara Falls to Calne | 3,486.93 mi (5,611.68 km) |
| Niagara Falls to Cam | 3,465.73 mi (5,577.55 km) |
| Niagara Falls to Camberley | 3,539.82 mi (5,696.79 km) |
| Niagara Falls to Camborne | 3,385.80 mi (5,448.92 km) |
| Niagara Falls to Cambridge | 3,549.69 mi (5,712.67 km) |
| Niagara Falls to Cambuslang | 3,299.00 mi (5,309.23 km) |
| Niagara Falls to Canford Cliffs | 3,509.85 mi (5,648.56 km) |
| Niagara Falls to Cannock | 3,453.36 mi (5,557.64 km) |
| Niagara Falls to Canterbury | 3,613.23 mi (5,814.94 km) |
| Niagara Falls to Carlisle | 3,364.96 mi (5,415.38 km) |
| Niagara Falls to Carlton Colville | 3,603.52 mi (5,799.30 km) |
| Niagara Falls to Carluke | 3,313.13 mi (5,331.96 km) |
| Niagara Falls to Carnoustie | 3,337.80 mi (5,371.66 km) |
| Niagara Falls to Carshalton | 3,561.69 mi (5,731.98 km) |
