| Pittsburgh to Cullman (Alabama) | 573.64 mi (923.19 km) |
| Pittsburgh to Culpeper (Virginia) | 172.12 mi (277.00 km) |
| Pittsburgh to Culver City (California) | 2,142.50 mi (3,448.03 km) |
| Pittsburgh to Cumberland (Maryland) | 84.35 mi (135.75 km) |
| Pittsburgh to Cupertino (California) | 2,251.76 mi (3,623.85 km) |
| Pittsburgh to Cutler Bay (Florida) | 1,027.16 mi (1,653.05 km) |
| Pittsburgh to Cutlerville (Michigan) | 337.60 mi (543.32 km) |
| Pittsburgh to Cuyahoga Falls (Ohio) | 95.02 mi (152.92 km) |
| Pittsburgh to Cypress (California) | 2,128.87 mi (3,426.08 km) |
| Pittsburgh to Cypress Gardens (Florida) | 864.73 mi (1,391.65 km) |
| Pittsburgh to Cypress Lake (Florida) | 966.73 mi (1,555.81 km) |
| Pittsburgh to D'Iberville (Mississippi) | 851.43 mi (1,370.25 km) |
| Pittsburgh to Dakota Ridge (Colorado) | 1,327.71 mi (2,136.75 km) |
| Pittsburgh to Dale City (Virginia) | 187.01 mi (300.96 km) |
| Pittsburgh to Dallas (Georgia) | 524.15 mi (843.54 km) |
