| Pittsburgh to Cordele (Georgia) | 622.96 mi (1,002.55 km) |
| Pittsburgh to Corinth (Mississippi) | 601.07 mi (967.33 km) |
| Pittsburgh to Corinth (Texas) | 1,069.06 mi (1,720.49 km) |
| Pittsburgh to Cornelius (North Carolina) | 346.72 mi (558.00 km) |
| Pittsburgh to Cornelius (Oregon) | 2,178.74 mi (3,506.34 km) |
| Pittsburgh to Corning (New York) | 192.06 mi (309.10 km) |
| Pittsburgh to Corona (California) | 2,102.73 mi (3,384.01 km) |
| Pittsburgh to Coronado (California) | 2,115.76 mi (3,404.99 km) |
| Pittsburgh to Corpus Christi (Texas) | 1,323.30 mi (2,129.64 km) |
| Pittsburgh to Corsicana (Texas) | 1,082.35 mi (1,741.87 km) |
| Pittsburgh to Cortland (New York) | 246.71 mi (397.05 km) |
| Pittsburgh to Corvallis (Oregon) | 2,197.92 mi (3,537.22 km) |
| Pittsburgh to Coshocton (Ohio) | 99.32 mi (159.84 km) |
| Pittsburgh to Costa Mesa (California) | 2,126.47 mi (3,422.23 km) |
| Pittsburgh to Coto de Caza (California) | 2,111.24 mi (3,397.71 km) |
