| Pittsburgh to Cehegin | 4,040.12 mi (6,501.95 km) |
| Pittsburgh to Cervello | 4,104.22 mi (6,605.11 km) |
| Pittsburgh to Cervera | 4,064.07 mi (6,540.49 km) |
| Pittsburgh to Ceuti | 4,065.59 mi (6,542.93 km) |
| Pittsburgh to Cheste | 4,046.30 mi (6,511.88 km) |
| Pittsburgh to Chiclana de la Frontera | 3,886.00 mi (6,253.92 km) |
| Pittsburgh to Chipiona | 3,861.79 mi (6,214.95 km) |
| Pittsburgh to Chiva | 4,044.92 mi (6,509.67 km) |
| Pittsburgh to Churriana de la Vega | 3,983.07 mi (6,410.13 km) |
| Pittsburgh to Ciempozuelos | 3,886.78 mi (6,255.17 km) |
| Pittsburgh to Cieza | 4,053.22 mi (6,523.03 km) |
| Pittsburgh to Cisterniga | 3,792.04 mi (6,102.70 km) |
| Pittsburgh to Ciudad de Melilla | 4,080.75 mi (6,567.33 km) |
| Pittsburgh to Ciudad Real | 3,910.17 mi (6,292.81 km) |
| Pittsburgh to Ciudad-Rodrigo | 3,735.68 mi (6,011.99 km) |
