| Pittsburgh to Campo de Criptana | 3,934.64 mi (6,332.19 km) |
| Pittsburgh to Campos del Puerto | 4,219.85 mi (6,791.19 km) |
| Pittsburgh to Canals | 4,068.29 mi (6,547.28 km) |
| Pittsburgh to Candelaria | 3,642.09 mi (5,861.38 km) |
| Pittsburgh to Canet de Mar | 4,125.94 mi (6,640.06 km) |
| Pittsburgh to Cangas | 3,582.02 mi (5,764.71 km) |
| Pittsburgh to Cangas de Narcea | 3,660.91 mi (5,891.67 km) |
| Pittsburgh to Canovellas | 4,111.43 mi (6,616.71 km) |
| Pittsburgh to Canteras | 4,092.29 mi (6,585.91 km) |
| Pittsburgh to Cantillana | 3,863.63 mi (6,217.91 km) |
| Pittsburgh to Capdepera | 4,229.46 mi (6,806.66 km) |
| Pittsburgh to Carballo | 3,560.59 mi (5,730.22 km) |
| Pittsburgh to Carcagente | 4,069.26 mi (6,548.85 km) |
| Pittsburgh to Cardedeu | 4,114.19 mi (6,621.15 km) |
| Pittsburgh to Carlet | 4,062.39 mi (6,537.78 km) |
