| Pittsburgh to Busto Arsizio | 4,261.54 mi (6,858.29 km) |
| Pittsburgh to Busto Garolfo | 4,265.24 mi (6,864.23 km) |
| Pittsburgh to Cabras | 4,451.99 mi (7,164.79 km) |
| Pittsburgh to Cadelbosco di Sopra | 4,364.57 mi (7,024.10 km) |
| Pittsburgh to Cadoneghe | 4,395.11 mi (7,073.25 km) |
| Pittsburgh to Cagli | 4,495.36 mi (7,234.59 km) |
| Pittsburgh to Cagliari | 4,504.25 mi (7,248.88 km) |
| Pittsburgh to Cairo Montenotte | 4,279.14 mi (6,886.61 km) |
| Pittsburgh to Caivano | 4,665.61 mi (7,508.58 km) |
| Pittsburgh to Calcinaia | 4,404.62 mi (7,088.55 km) |
| Pittsburgh to Calcinato | 4,332.04 mi (6,971.75 km) |
| Pittsburgh to Calderara di Reno | 4,399.71 mi (7,080.65 km) |
| Pittsburgh to Caldogno | 4,371.59 mi (7,035.40 km) |
| Pittsburgh to Calenzano | 4,421.16 mi (7,115.16 km) |
| Pittsburgh to Calolziocorte | 4,279.22 mi (6,886.74 km) |
