| Johnstown to Cernavoda | 5,040.04 mi (8,111.16 km) |
| Johnstown to Chitila | 4,954.63 mi (7,973.71 km) |
| Johnstown to Cisnadie | 4,832.96 mi (7,777.90 km) |
| Johnstown to Cluj-Napoca | 4,767.16 mi (7,672.00 km) |
| Johnstown to Codlea | 4,882.72 mi (7,857.98 km) |
| Johnstown to Comanesti | 4,888.73 mi (7,867.66 km) |
| Johnstown to Comarnic | 4,909.19 mi (7,900.57 km) |
| Johnstown to Constanta | 5,070.30 mi (8,159.86 km) |
| Johnstown to Corabia | 4,929.30 mi (7,932.94 km) |
| Johnstown to Costesti | 4,905.38 mi (7,894.45 km) |
| Johnstown to Covasna | 4,904.04 mi (7,892.28 km) |
| Johnstown to Craiova | 4,878.59 mi (7,851.33 km) |
| Johnstown to Cristuru Secuiesc | 4,841.86 mi (7,792.22 km) |
| Johnstown to Cugir | 4,797.37 mi (7,720.62 km) |
| Johnstown to Cumpana | 5,069.81 mi (8,159.07 km) |
