| Thornton Heath to Caguas (Puerto Rico) | 4,208.47 mi (6,772.87 km) |
| Thornton Heath to Cahokia (Illinois) | 4,206.58 mi (6,769.83 km) |
| Thornton Heath to Calabasas (California) | 5,454.76 mi (8,778.59 km) |
| Thornton Heath to Caldwell (Idaho) | 4,855.12 mi (7,813.56 km) |
| Thornton Heath to Caledonia (Wisconsin) | 3,918.57 mi (6,306.33 km) |
| Thornton Heath to Calera (Alabama) | 4,336.21 mi (6,978.46 km) |
| Thornton Heath to Calexico (California) | 5,433.69 mi (8,744.68 km) |
| Thornton Heath to Calhoun (Georgia) | 4,196.18 mi (6,753.10 km) |
| Thornton Heath to California (Maryland) | 3,673.00 mi (5,911.12 km) |
| Thornton Heath to California City (California) | 5,371.00 mi (8,643.79 km) |
| Thornton Heath to Callaway (Florida) | 4,436.04 mi (7,139.12 km) |
| Thornton Heath to Calumet City (Illinois) | 3,960.98 mi (6,374.59 km) |
| Thornton Heath to Calverton (Maryland) | 3,657.39 mi (5,886.00 km) |
| Thornton Heath to Camano (Washington) | 4,761.19 mi (7,662.39 km) |
| Thornton Heath to Camarillo (California) | 5,461.43 mi (8,789.32 km) |
