| Johnstown to Castrovillari | 4,751.47 mi (7,646.75 km) |
| Johnstown to Catania | 4,795.85 mi (7,718.18 km) |
| Johnstown to Catanzaro | 4,805.77 mi (7,734.14 km) |
| Johnstown to Cattolica | 4,443.65 mi (7,151.37 km) |
| Johnstown to Cava de' Tirreni | 4,651.68 mi (7,486.16 km) |
| Johnstown to Cavallino | 4,816.97 mi (7,752.16 km) |
| Johnstown to Cavarzere | 4,373.73 mi (7,038.84 km) |
| Johnstown to Cave | 4,532.50 mi (7,294.36 km) |
| Johnstown to Cavriago | 4,324.49 mi (6,959.59 km) |
| Johnstown to Cavriglia | 4,407.25 mi (7,092.79 km) |
| Johnstown to Cazzago San Martino | 4,272.27 mi (6,875.55 km) |
| Johnstown to Ceccano | 4,559.24 mi (7,337.39 km) |
| Johnstown to Cecina | 4,373.19 mi (7,037.96 km) |
| Johnstown to Cefalu | 4,726.71 mi (7,606.90 km) |
| Johnstown to Ceglie Messapico | 4,773.67 mi (7,682.48 km) |
