| Fort Washington to Carrollwood (Florida) | 802.74 mi (1,291.88 km) |
| Fort Washington to Carson (California) | 2,302.54 mi (3,705.59 km) |
| Fort Washington to Carson City (Nevada) | 2,275.31 mi (3,661.76 km) |
| Fort Washington to Carteret (New Jersey) | 195.43 mi (314.51 km) |
| Fort Washington to Cartersville (Georgia) | 535.68 mi (862.09 km) |
| Fort Washington to Carthage (Missouri) | 948.40 mi (1,526.30 km) |
| Fort Washington to Cary (Illinois) | 637.29 mi (1,025.61 km) |
| Fort Washington to Cary (North Carolina) | 227.00 mi (365.33 km) |
| Fort Washington to Casa de Oro-Mount Helix (California) | 2,260.22 mi (3,637.48 km) |
| Fort Washington to Casa Grande (Arizona) | 1,975.98 mi (3,180.04 km) |
| Fort Washington to Casas Adobes (Arizona) | 1,950.27 mi (3,138.66 km) |
| Fort Washington to Cascades (Virginia) | 29.75 mi (47.87 km) |
| Fort Washington to Casper (Wyoming) | 1,551.38 mi (2,496.70 km) |
| Fort Washington to Casselberry (Florida) | 738.50 mi (1,188.50 km) |
| Fort Washington to Castaic (California) | 2,307.37 mi (3,713.36 km) |
