| Mountain Ash to Centralia (Illinois) | 4,031.96 mi (6,488.82 km) |
| Mountain Ash to Centralia (Washington) | 4,754.95 mi (7,652.35 km) |
| Mountain Ash to Centreville (Virginia) | 3,547.39 mi (5,708.98 km) |
| Mountain Ash to Ceres (California) | 5,213.29 mi (8,389.98 km) |
| Mountain Ash to Cerritos (California) | 5,331.43 mi (8,580.10 km) |
| Mountain Ash to Chalco (Nebraska) | 4,172.22 mi (6,714.55 km) |
| Mountain Ash to Chalmette (Louisiana) | 4,486.74 mi (7,220.71 km) |
| Mountain Ash to Chambersburg (Pennsylvania) | 3,507.83 mi (5,645.31 km) |
| Mountain Ash to Chamblee (Georgia) | 4,059.89 mi (6,533.76 km) |
| Mountain Ash to Champaign (Illinois) | 3,923.81 mi (6,314.76 km) |
| Mountain Ash to Champlin (Minnesota) | 3,882.84 mi (6,248.82 km) |
| Mountain Ash to Chandler (Arizona) | 5,151.23 mi (8,290.10 km) |
| Mountain Ash to Chanhassen (Minnesota) | 3,903.64 mi (6,282.29 km) |
| Mountain Ash to Channahon (Illinois) | 3,862.73 mi (6,216.47 km) |
| Mountain Ash to Channelview (Texas) | 4,702.99 mi (7,568.74 km) |
