| Mountain Ash to Culpeper (Virginia) | 3,586.96 mi (5,772.65 km) |
| Mountain Ash to Culver City (California) | 5,334.49 mi (8,585.04 km) |
| Mountain Ash to Cumberland (Maryland) | 3,565.19 mi (5,737.62 km) |
| Mountain Ash to Cupertino (California) | 5,262.72 mi (8,469.54 km) |
| Mountain Ash to Cutler Bay (Florida) | 4,304.08 mi (6,926.75 km) |
| Mountain Ash to Cutlerville (Michigan) | 3,698.38 mi (5,951.97 km) |
| Mountain Ash to Cuyahoga Falls (Ohio) | 3,609.50 mi (5,808.93 km) |
| Mountain Ash to Cypress (California) | 5,333.29 mi (8,583.10 km) |
| Mountain Ash to Cypress Gardens (Florida) | 4,239.44 mi (6,822.72 km) |
| Mountain Ash to Cypress Lake (Florida) | 4,321.90 mi (6,955.42 km) |
| Mountain Ash to D'Iberville (Mississippi) | 4,416.63 mi (7,107.88 km) |
| Mountain Ash to Dakota Ridge (Colorado) | 4,576.31 mi (7,364.86 km) |
| Mountain Ash to Dale City (Virginia) | 3,552.13 mi (5,716.60 km) |
| Mountain Ash to Dallas (Georgia) | 4,080.59 mi (6,567.07 km) |
| Mountain Ash to Dallas (Oregon) | 4,866.28 mi (7,831.51 km) |
