| Mount Washington to Cernavoda | 5,399.89 mi (8,690.29 km) |
| Mount Washington to Chitila | 5,316.65 mi (8,556.31 km) |
| Mount Washington to Cisnadie | 5,194.70 mi (8,360.06 km) |
| Mount Washington to Cluj-Napoca | 5,127.36 mi (8,251.69 km) |
| Mount Washington to Codlea | 5,242.99 mi (8,437.78 km) |
| Mount Washington to Comanesti | 5,246.26 mi (8,443.03 km) |
| Mount Washington to Comarnic | 5,270.14 mi (8,481.46 km) |
| Mount Washington to Constanta | 5,429.74 mi (8,738.32 km) |
| Mount Washington to Corabia | 5,294.42 mi (8,520.54 km) |
| Mount Washington to Costesti | 5,268.36 mi (8,478.61 km) |
| Mount Washington to Covasna | 5,263.10 mi (8,470.14 km) |
| Mount Washington to Craiova | 5,243.41 mi (8,438.45 km) |
| Mount Washington to Cristuru Secuiesc | 5,201.38 mi (8,370.81 km) |
| Mount Washington to Cugir | 5,159.73 mi (8,303.79 km) |
| Mount Washington to Cumpana | 5,429.46 mi (8,737.86 km) |
