| Pittsburgh to Cernavoda | 5,074.17 mi (8,166.08 km) |
| Pittsburgh to Chitila | 4,989.42 mi (8,029.69 km) |
| Pittsburgh to Cisnadie | 4,867.64 mi (7,833.72 km) |
| Pittsburgh to Cluj-Napoca | 4,801.35 mi (7,727.03 km) |
| Pittsburgh to Codlea | 4,916.95 mi (7,913.07 km) |
| Pittsburgh to Comanesti | 4,922.13 mi (7,921.40 km) |
| Pittsburgh to Comarnic | 4,943.63 mi (7,956.01 km) |
| Pittsburgh to Constanta | 5,104.31 mi (8,214.59 km) |
| Pittsburgh to Corabia | 4,965.09 mi (7,990.53 km) |
| Pittsburgh to Costesti | 4,940.47 mi (7,950.92 km) |
| Pittsburgh to Covasna | 4,937.90 mi (7,946.78 km) |
| Pittsburgh to Craiova | 4,914.27 mi (7,908.75 km) |
| Pittsburgh to Cristuru Secuiesc | 4,875.85 mi (7,846.93 km) |
| Pittsburgh to Cugir | 4,832.25 mi (7,776.75 km) |
| Pittsburgh to Cumpana | 5,103.88 mi (8,213.90 km) |
