| Fort Washington to Cibolo (Texas) | 1,363.37 mi (2,194.14 km) |
| Fort Washington to Cicero (Illinois) | 605.55 mi (974.53 km) |
| Fort Washington to Cimarron Hills (Colorado) | 1,485.48 mi (2,390.65 km) |
| Fort Washington to Cincinnati (Ohio) | 403.89 mi (650.00 km) |
| Fort Washington to Cinco Ranch (Texas) | 1,234.84 mi (1,987.29 km) |
| Fort Washington to Circleville (Ohio) | 323.07 mi (519.93 km) |
| Fort Washington to Citrus (California) | 2,276.14 mi (3,663.10 km) |
| Fort Washington to Citrus Heights (California) | 2,363.23 mi (3,803.26 km) |
| Fort Washington to Citrus Park (Florida) | 802.85 mi (1,292.06 km) |
| Fort Washington to Claiborne (Louisiana) | 952.74 mi (1,533.29 km) |
| Fort Washington to Claremont (California) | 2,266.57 mi (3,647.70 km) |
| Fort Washington to Claremont (New Hampshire) | 402.60 mi (647.92 km) |
| Fort Washington to Claremore (Oklahoma) | 1,031.14 mi (1,659.45 km) |
| Fort Washington to Clarksburg (Maryland) | 36.65 mi (58.98 km) |
| Fort Washington to Clarksburg (West Virginia) | 182.08 mi (293.02 km) |
