| Fort Washington to Carlsbad (California) | 2,267.92 mi (3,649.87 km) |
| Fort Washington to Carlsbad (New Mexico) | 1,585.16 mi (2,551.07 km) |
| Fort Washington to Carmel (Indiana) | 495.42 mi (797.30 km) |
| Fort Washington to Carmichael (California) | 2,366.32 mi (3,808.22 km) |
| Fort Washington to Carney (Maryland) | 53.13 mi (85.50 km) |
| Fort Washington to Carnot-Moon (Pennsylvania) | 210.70 mi (339.09 km) |
| Fort Washington to Carol Stream (Illinois) | 625.30 mi (1,006.33 km) |
| Fort Washington to Carolina (Puerto Rico) | 1,552.84 mi (2,499.06 km) |
| Fort Washington to Carolina Forest (South Carolina) | 359.34 mi (578.30 km) |
| Fort Washington to Carpentersville (Illinois) | 637.31 mi (1,025.64 km) |
| Fort Washington to Carpinteria (California) | 2,356.56 mi (3,792.52 km) |
| Fort Washington to Carrboro (North Carolina) | 225.18 mi (362.38 km) |
| Fort Washington to Carroll (Iowa) | 965.48 mi (1,553.80 km) |
| Fort Washington to Carrollton (Georgia) | 573.81 mi (923.46 km) |
| Fort Washington to Carrollton (Texas) | 1,179.58 mi (1,898.34 km) |
