| Mountain Ash to Caño Martin Peña (Puerto Rico) | 4,062.33 mi (6,537.70 km) |
| Mountain Ash to Cañon City (Colorado) | 4,640.35 mi (7,467.92 km) |
| Mountain Ash to Canóvanas (Puerto Rico) | 4,059.27 mi (6,532.76 km) |
| Mountain Ash to Canton (Georgia) | 4,050.18 mi (6,518.13 km) |
| Mountain Ash to Canton (Illinois) | 3,971.33 mi (6,391.23 km) |
| Mountain Ash to Canton (Mississippi) | 4,356.48 mi (7,011.08 km) |
| Mountain Ash to Canton (Ohio) | 3,619.19 mi (5,824.52 km) |
| Mountain Ash to Canyon (Texas) | 4,698.87 mi (7,562.10 km) |
| Mountain Ash to Canyon Lake (California) | 5,314.66 mi (8,553.12 km) |
| Mountain Ash to Canyon Lake (Texas) | 4,823.70 mi (7,763.00 km) |
| Mountain Ash to Cape Coral (Florida) | 4,320.66 mi (6,953.43 km) |
| Mountain Ash to Cape Girardeau (Missouri) | 4,107.03 mi (6,609.63 km) |
| Mountain Ash to Carbondale (Illinois) | 4,074.06 mi (6,556.57 km) |
| Mountain Ash to Carlisle (Pennsylvania) | 3,477.58 mi (5,596.63 km) |
| Mountain Ash to Carlsbad (California) | 5,347.07 mi (8,605.28 km) |
