| Pittsburgh to Cadillac (Michigan) | 382.54 mi (615.64 km) |
| Pittsburgh to Caguas (Puerto Rico) | 1,743.85 mi (2,806.45 km) |
| Pittsburgh to Cahokia (Illinois) | 558.80 mi (899.30 km) |
| Pittsburgh to Calabasas (California) | 2,153.22 mi (3,465.27 km) |
| Pittsburgh to Caldwell (Idaho) | 1,879.81 mi (3,025.27 km) |
| Pittsburgh to Caledonia (Wisconsin) | 439.17 mi (706.78 km) |
| Pittsburgh to Calera (Alabama) | 628.59 mi (1,011.62 km) |
| Pittsburgh to Calexico (California) | 2,027.71 mi (3,263.28 km) |
| Pittsburgh to Calhoun (Georgia) | 492.74 mi (792.99 km) |
| Pittsburgh to California (Maryland) | 237.66 mi (382.48 km) |
| Pittsburgh to California City (California) | 2,084.52 mi (3,354.72 km) |
| Pittsburgh to Callaway (Florida) | 778.01 mi (1,252.08 km) |
| Pittsburgh to Calumet City (Illinois) | 402.90 mi (648.40 km) |
| Pittsburgh to Calverton (Maryland) | 187.02 mi (300.98 km) |
| Pittsburgh to Camano (Washington) | 2,138.61 mi (3,441.75 km) |
