| Mount Washington to Cordele (Georgia) | 432.50 mi (696.04 km) |
| Mount Washington to Corinth (Mississippi) | 269.71 mi (434.06 km) |
| Mount Washington to Corinth (Texas) | 729.32 mi (1,173.72 km) |
| Mount Washington to Cornelius (North Carolina) | 313.75 mi (504.93 km) |
| Mount Washington to Cornelius (Oregon) | 1,980.12 mi (3,186.69 km) |
| Mount Washington to Corning (New York) | 530.82 mi (854.28 km) |
| Mount Washington to Corona (California) | 1,804.42 mi (2,903.93 km) |
| Mount Washington to Coronado (California) | 1,810.21 mi (2,913.25 km) |
| Mount Washington to Corpus Christi (Texas) | 987.58 mi (1,589.35 km) |
| Mount Washington to Corsicana (Texas) | 741.06 mi (1,192.63 km) |
| Mount Washington to Cortland (New York) | 585.24 mi (941.85 km) |
| Mount Washington to Corvallis (Oregon) | 1,990.36 mi (3,203.18 km) |
| Mount Washington to Coshocton (Ohio) | 250.87 mi (403.73 km) |
| Mount Washington to Costa Mesa (California) | 1,827.70 mi (2,941.40 km) |
| Mount Washington to Coto de Caza (California) | 1,811.47 mi (2,915.28 km) |
