| Mountain Ash to Coldwater (Michigan) | 3,712.10 mi (5,974.04 km) |
| Mountain Ash to Colesville (Maryland) | 3,518.98 mi (5,663.25 km) |
| Mountain Ash to College (Alaska) | 4,163.44 mi (6,700.41 km) |
| Mountain Ash to College Park (Georgia) | 4,078.57 mi (6,563.82 km) |
| Mountain Ash to College Park (Maryland) | 3,519.64 mi (5,664.31 km) |
| Mountain Ash to College Station (Texas) | 4,709.27 mi (7,578.84 km) |
| Mountain Ash to Collegedale (Tennessee) | 4,034.32 mi (6,492.62 km) |
| Mountain Ash to Colleyville (Texas) | 4,624.51 mi (7,442.43 km) |
| Mountain Ash to Collierville (Tennessee) | 4,222.31 mi (6,795.15 km) |
| Mountain Ash to Collinsville (Illinois) | 4,059.19 mi (6,532.63 km) |
| Mountain Ash to Colonia (New Jersey) | 3,342.19 mi (5,378.73 km) |
| Mountain Ash to Colonial Heights (Virginia) | 3,616.57 mi (5,820.31 km) |
| Mountain Ash to Colonial Park (Pennsylvania) | 3,457.07 mi (5,563.62 km) |
| Mountain Ash to Colorado Springs (Colorado) | 4,601.95 mi (7,406.12 km) |
| Mountain Ash to Colton (California) | 5,296.26 mi (8,523.50 km) |
