| Mount Washington to Corato | 5,083.89 mi (8,181.74 km) |
| Mount Washington to Corbetta | 4,605.58 mi (7,411.97 km) |
| Mount Washington to Corciano | 4,832.61 mi (7,777.34 km) |
| Mount Washington to Cordenons | 4,740.99 mi (7,629.89 km) |
| Mount Washington to Cori | 4,917.03 mi (7,913.20 km) |
| Mount Washington to Coriano | 4,813.76 mi (7,746.99 km) |
| Mount Washington to Corigliano Calabro | 5,152.92 mi (8,292.83 km) |
| Mount Washington to Corleone | 5,086.36 mi (8,185.70 km) |
| Mount Washington to Cormano | 4,612.94 mi (7,423.81 km) |
| Mount Washington to Cornaredo | 4,609.22 mi (7,417.82 km) |
| Mount Washington to Cornate d'Adda | 4,621.72 mi (7,437.94 km) |
| Mount Washington to Cornedo Vicentino | 4,700.10 mi (7,564.08 km) |
| Mount Washington to Correggio | 4,708.23 mi (7,577.16 km) |
| Mount Washington to Corridonia | 4,879.50 mi (7,852.80 km) |
| Mount Washington to Corsico | 4,615.07 mi (7,427.23 km) |
