| Fort Washington to Cadillac (Michigan) | 577.93 mi (930.09 km) |
| Fort Washington to Caguas (Puerto Rico) | 1,562.37 mi (2,514.40 km) |
| Fort Washington to Cahokia (Illinois) | 710.27 mi (1,143.07 km) |
| Fort Washington to Calabasas (California) | 2,317.50 mi (3,729.65 km) |
| Fort Washington to Caldwell (Idaho) | 2,069.36 mi (3,330.31 km) |
| Fort Washington to Caledonia (Wisconsin) | 633.67 mi (1,019.80 km) |
| Fort Washington to Calera (Alabama) | 667.93 mi (1,074.93 km) |
| Fort Washington to Calexico (California) | 2,182.84 mi (3,512.93 km) |
| Fort Washington to Calhoun (Georgia) | 528.30 mi (850.22 km) |
| Fort Washington to California (Maryland) | 40.96 mi (65.92 km) |
| Fort Washington to California City (California) | 2,251.35 mi (3,623.20 km) |
| Fort Washington to Callaway (Florida) | 767.57 mi (1,235.29 km) |
| Fort Washington to Calumet City (Illinois) | 590.64 mi (950.54 km) |
| Fort Washington to Calverton (Maryland) | 22.60 mi (36.37 km) |
| Fort Washington to Camano (Washington) | 2,334.48 mi (3,756.99 km) |
