| Mount Washington to Cloverleaf (Texas) | 792.41 mi (1,275.26 km) |
| Mount Washington to Cloverly (Maryland) | 467.77 mi (752.80 km) |
| Mount Washington to Clovis (California) | 1,863.70 mi (2,999.34 km) |
| Mount Washington to Clovis (New Mexico) | 1,012.21 mi (1,628.99 km) |
| Mount Washington to Clute (Texas) | 841.26 mi (1,353.88 km) |
| Mount Washington to Coachella (California) | 1,730.83 mi (2,785.50 km) |
| Mount Washington to Coalinga (California) | 1,909.59 mi (3,073.18 km) |
| Mount Washington to Coamo (Puerto Rico) | 1,801.01 mi (2,898.45 km) |
| Mount Washington to Coatesville (Pennsylvania) | 539.26 mi (867.86 km) |
| Mount Washington to Cockeysville (Maryland) | 490.81 mi (789.88 km) |
| Mount Washington to Cocoa (Florida) | 722.31 mi (1,162.45 km) |
| Mount Washington to Cocoa Beach (Florida) | 728.60 mi (1,172.57 km) |
| Mount Washington to Coconut Creek (Florida) | 870.88 mi (1,401.54 km) |
| Mount Washington to Coeur d'Alene (Idaho) | 1,702.15 mi (2,739.34 km) |
| Mount Washington to Cohoes (New York) | 702.88 mi (1,131.17 km) |
