| Mountain Ash to Cloverly (Maryland) | 3,517.44 mi (5,660.77 km) |
| Mountain Ash to Clovis (California) | 5,216.63 mi (8,395.36 km) |
| Mountain Ash to Clovis (New Mexico) | 4,775.23 mi (7,685.00 km) |
| Mountain Ash to Clute (Texas) | 4,753.80 mi (7,650.50 km) |
| Mountain Ash to Coachella (California) | 5,276.90 mi (8,492.35 km) |
| Mountain Ash to Coalinga (California) | 5,275.87 mi (8,490.70 km) |
| Mountain Ash to Coamo (Puerto Rico) | 4,094.30 mi (6,589.14 km) |
| Mountain Ash to Coatesville (Pennsylvania) | 3,430.33 mi (5,520.59 km) |
| Mountain Ash to Cockeysville (Maryland) | 3,485.69 mi (5,609.68 km) |
| Mountain Ash to Cocoa (Florida) | 4,181.83 mi (6,730.01 km) |
| Mountain Ash to Cocoa Beach (Florida) | 4,178.36 mi (6,724.42 km) |
| Mountain Ash to Coconut Creek (Florida) | 4,262.17 mi (6,859.31 km) |
| Mountain Ash to Coeur d'Alene (Idaho) | 4,526.35 mi (7,284.46 km) |
| Mountain Ash to Cohoes (New York) | 3,225.59 mi (5,191.09 km) |
| Mountain Ash to Cold Springs (Nevada) | 5,064.09 mi (8,149.86 km) |
