| Gahanna to Caldicot | 3,741.60 mi (6,021.52 km) |
| Gahanna to Calne | 3,775.24 mi (6,075.66 km) |
| Gahanna to Cam | 3,754.16 mi (6,041.74 km) |
| Gahanna to Camberley | 3,828.29 mi (6,161.04 km) |
| Gahanna to Camborne | 3,672.29 mi (5,909.98 km) |
| Gahanna to Cambridge | 3,838.87 mi (6,178.06 km) |
| Gahanna to Cambuslang | 3,589.35 mi (5,776.50 km) |
| Gahanna to Canford Cliffs | 3,797.59 mi (6,111.63 km) |
| Gahanna to Cannock | 3,742.50 mi (6,022.98 km) |
| Gahanna to Canterbury | 3,902.00 mi (6,279.67 km) |
| Gahanna to Carlisle | 3,655.08 mi (5,882.29 km) |
| Gahanna to Carlton Colville | 3,893.05 mi (6,265.26 km) |
| Gahanna to Carluke | 3,603.47 mi (5,799.22 km) |
| Gahanna to Carnoustie | 3,628.35 mi (5,839.26 km) |
| Gahanna to Carshalton | 3,850.28 mi (6,196.43 km) |
