| Pittsburg to Cividale del Friuli | 5,999.34 mi (9,655.01 km) |
| Pittsburg to Civita Castellana | 6,188.90 mi (9,960.07 km) |
| Pittsburg to Civitanova Marche | 6,168.71 mi (9,927.57 km) |
| Pittsburg to Civitavecchia | 6,182.37 mi (9,949.56 km) |
| Pittsburg to Civitella in Val di Chiana | 6,105.22 mi (9,825.40 km) |
| Pittsburg to Clusone | 5,916.01 mi (9,520.91 km) |
| Pittsburg to Coccaglio | 5,934.70 mi (9,550.97 km) |
| Pittsburg to Codigoro | 6,036.01 mi (9,714.01 km) |
| Pittsburg to Codogno | 5,949.39 mi (9,574.62 km) |
| Pittsburg to Codroipo | 5,995.10 mi (9,648.18 km) |
| Pittsburg to Cogoleto | 5,961.26 mi (9,593.72 km) |
| Pittsburg to Colle di Val d'Elsa | 6,089.37 mi (9,799.89 km) |
| Pittsburg to Colle Salvetti | 6,059.23 mi (9,751.39 km) |
| Pittsburg to Collecchio | 5,987.01 mi (9,635.17 km) |
| Pittsburg to Colleferro | 6,238.56 mi (10,039.99 km) |
