| Howard to Cernavoda | 5,152.12 mi (8,291.54 km) |
| Howard to Chitila | 5,075.47 mi (8,168.17 km) |
| Howard to Cisnadie | 4,953.66 mi (7,972.15 km) |
| Howard to Cluj-Napoca | 4,882.59 mi (7,857.77 km) |
| Howard to Codlea | 4,997.51 mi (8,042.71 km) |
| Howard to Comanesti | 4,993.46 mi (8,036.20 km) |
| Howard to Comarnic | 5,026.32 mi (8,089.08 km) |
| Howard to Constanta | 5,180.63 mi (8,337.42 km) |
| Howard to Corabia | 5,062.51 mi (8,147.32 km) |
| Howard to Costesti | 5,030.31 mi (8,095.50 km) |
| Howard to Covasna | 5,014.23 mi (8,069.62 km) |
| Howard to Craiova | 5,010.99 mi (8,064.41 km) |
| Howard to Cristuru Secuiesc | 4,954.19 mi (7,972.99 km) |
| Howard to Cugir | 4,920.73 mi (7,919.15 km) |
| Howard to Cumpana | 5,180.90 mi (8,337.85 km) |
