| Pittsburgh to Cibolo (Texas) | 1,272.38 mi (2,047.70 km) |
| Pittsburgh to Cicero (Illinois) | 416.28 mi (669.93 km) |
| Pittsburgh to Cimarron Hills (Colorado) | 1,315.46 mi (2,117.04 km) |
| Pittsburgh to Cincinnati (Ohio) | 256.63 mi (413.01 km) |
| Pittsburgh to Cinco Ranch (Texas) | 1,155.64 mi (1,859.82 km) |
| Pittsburgh to Circleville (Ohio) | 166.71 mi (268.30 km) |
| Pittsburgh to Citrus (California) | 2,112.80 mi (3,400.22 km) |
| Pittsburgh to Citrus Heights (California) | 2,183.54 mi (3,514.06 km) |
| Pittsburgh to Citrus Park (Florida) | 867.01 mi (1,395.32 km) |
| Pittsburgh to Claiborne (Louisiana) | 869.74 mi (1,399.71 km) |
| Pittsburgh to Claremont (California) | 2,103.39 mi (3,385.08 km) |
| Pittsburgh to Claremont (New Hampshire) | 441.96 mi (711.27 km) |
| Pittsburgh to Claremore (Oklahoma) | 891.99 mi (1,435.52 km) |
| Pittsburgh to Clarksburg (Maryland) | 166.51 mi (267.97 km) |
| Pittsburgh to Clarksburg (West Virginia) | 81.79 mi (131.64 km) |
