| Sumter to Caldicot | 3,923.44 mi (6,314.17 km) |
| Sumter to Calne | 3,957.08 mi (6,368.30 km) |
| Sumter to Cam | 3,937.52 mi (6,336.83 km) |
| Sumter to Camberley | 4,011.46 mi (6,455.83 km) |
| Sumter to Camborne | 3,838.55 mi (6,177.54 km) |
| Sumter to Cambridge | 4,030.37 mi (6,486.25 km) |
| Sumter to Cambuslang | 3,803.65 mi (6,121.38 km) |
| Sumter to Canford Cliffs | 3,973.62 mi (6,394.92 km) |
| Sumter to Cannock | 3,934.37 mi (6,331.76 km) |
| Sumter to Canterbury | 4,087.99 mi (6,578.98 km) |
| Sumter to Carlisle | 3,863.36 mi (6,217.47 km) |
| Sumter to Carlton Colville | 4,089.16 mi (6,580.87 km) |
| Sumter to Carluke | 3,817.46 mi (6,143.61 km) |
| Sumter to Carnoustie | 3,849.81 mi (6,195.67 km) |
| Sumter to Carshalton | 4,034.70 mi (6,493.22 km) |
