| Grays to Centralia (Illinois) | 4,182.50 mi (6,731.08 km) |
| Grays to Centralia (Washington) | 4,865.45 mi (7,830.18 km) |
| Grays to Centreville (Virginia) | 3,703.44 mi (5,960.11 km) |
| Grays to Ceres (California) | 5,336.41 mi (8,588.12 km) |
| Grays to Cerritos (California) | 5,461.59 mi (8,789.58 km) |
| Grays to Chalco (Nebraska) | 4,315.67 mi (6,945.41 km) |
| Grays to Chalmette (Louisiana) | 4,642.21 mi (7,470.92 km) |
| Grays to Chambersburg (Pennsylvania) | 3,663.12 mi (5,895.22 km) |
| Grays to Chamblee (Georgia) | 4,215.86 mi (6,784.78 km) |
| Grays to Champaign (Illinois) | 4,073.55 mi (6,555.75 km) |
| Grays to Champlin (Minnesota) | 4,024.08 mi (6,476.13 km) |
| Grays to Chandler (Arizona) | 5,288.51 mi (8,511.04 km) |
| Grays to Chanhassen (Minnesota) | 4,045.11 mi (6,509.98 km) |
| Grays to Channahon (Illinois) | 4,011.34 mi (6,455.63 km) |
| Grays to Channelview (Texas) | 4,855.92 mi (7,814.86 km) |
