| Pittsburgh to Commerce (California) | 2,129.89 mi (3,427.72 km) |
| Pittsburgh to Commerce City (Colorado) | 1,309.48 mi (2,107.41 km) |
| Pittsburgh to Compton (California) | 2,136.70 mi (3,438.68 km) |
| Pittsburgh to Comstock Park (Michigan) | 344.51 mi (554.44 km) |
| Pittsburgh to Concord (California) | 2,235.21 mi (3,597.23 km) |
| Pittsburgh to Concord (Missouri) | 569.08 mi (915.84 km) |
| Pittsburgh to Concord (New Hampshire) | 473.97 mi (762.78 km) |
| Pittsburgh to Concord (North Carolina) | 350.52 mi (564.11 km) |
| Pittsburgh to Conneaut (Ohio) | 107.31 mi (172.70 km) |
| Pittsburgh to Connersville (Indiana) | 278.41 mi (448.05 km) |
| Pittsburgh to Conroe (Texas) | 1,115.78 mi (1,795.67 km) |
| Pittsburgh to Converse (Texas) | 1,279.24 mi (2,058.74 km) |
| Pittsburgh to Conway (Arkansas) | 775.53 mi (1,248.10 km) |
| Pittsburgh to Conway (Florida) | 828.75 mi (1,333.74 km) |
| Pittsburgh to Conway (South Carolina) | 458.87 mi (738.48 km) |
