| Mountain Ash to Cedar Rapids (Iowa) | 3,968.06 mi (6,385.97 km) |
| Mountain Ash to Cedarburg (Wisconsin) | 3,766.78 mi (6,062.04 km) |
| Mountain Ash to Celebration (Florida) | 4,218.48 mi (6,788.99 km) |
| Mountain Ash to Celina (Ohio) | 3,757.72 mi (6,047.47 km) |
| Mountain Ash to Celina (Texas) | 4,589.03 mi (7,385.33 km) |
| Mountain Ash to Centennial (Colorado) | 4,568.25 mi (7,351.88 km) |
| Mountain Ash to Center Point (Alabama) | 4,169.08 mi (6,709.48 km) |
| Mountain Ash to Centereach (New York) | 3,279.67 mi (5,278.11 km) |
| Mountain Ash to Centerton (Arkansas) | 4,339.03 mi (6,983.00 km) |
| Mountain Ash to Centerville (Ohio) | 3,783.12 mi (6,088.34 km) |
| Mountain Ash to Centerville (Utah) | 4,738.00 mi (7,625.07 km) |
| Mountain Ash to Central (Louisiana) | 4,499.34 mi (7,240.99 km) |
| Mountain Ash to Central Falls (Rhode Island) | 3,167.23 mi (5,097.17 km) |
| Mountain Ash to Central Islip (New York) | 3,287.89 mi (5,291.35 km) |
| Mountain Ash to Central Point (Oregon) | 4,999.61 mi (8,046.09 km) |
