| Mount Washington to Castrovillari | 5,130.47 mi (8,256.70 km) |
| Mount Washington to Catania | 5,178.26 mi (8,333.61 km) |
| Mount Washington to Catanzaro | 5,185.63 mi (8,345.47 km) |
| Mount Washington to Cattolica | 4,819.27 mi (7,755.86 km) |
| Mount Washington to Cava de' Tirreni | 5,030.60 mi (8,095.97 km) |
| Mount Washington to Cavallino | 5,193.78 mi (8,358.58 km) |
| Mount Washington to Cavarzere | 4,747.91 mi (7,641.02 km) |
| Mount Washington to Cave | 4,911.15 mi (7,903.73 km) |
| Mount Washington to Cavriago | 4,700.52 mi (7,564.76 km) |
| Mount Washington to Cavriglia | 4,784.46 mi (7,699.85 km) |
| Mount Washington to Cazzago San Martino | 4,647.20 mi (7,478.95 km) |
| Mount Washington to Ceccano | 4,937.95 mi (7,946.87 km) |
| Mount Washington to Cecina | 4,751.35 mi (7,646.56 km) |
| Mount Washington to Cefalu | 5,109.20 mi (8,222.46 km) |
| Mount Washington to Ceglie Messapico | 5,150.57 mi (8,289.05 km) |
