| Union City to Cernavoda | 6,474.02 mi (10,418.93 km) |
| Union City to Chitila | 6,421.94 mi (10,335.12 km) |
| Union City to Cisnadie | 6,308.38 mi (10,152.35 km) |
| Union City to Cluj-Napoca | 6,231.09 mi (10,027.98 km) |
| Union City to Codlea | 6,336.43 mi (10,197.50 km) |
| Union City to Comanesti | 6,310.77 mi (10,156.20 km) |
| Union City to Comarnic | 6,368.25 mi (10,248.71 km) |
| Union City to Constanta | 6,496.57 mi (10,455.22 km) |
| Union City to Corabia | 6,436.34 mi (10,358.28 km) |
| Union City to Costesti | 6,388.72 mi (10,281.65 km) |
| Union City to Covasna | 6,341.97 mi (10,206.41 km) |
| Union City to Craiova | 6,386.58 mi (10,278.22 km) |
| Union City to Cristuru Secuiesc | 6,290.90 mi (10,124.22 km) |
| Union City to Cugir | 6,283.38 mi (10,112.12 km) |
| Union City to Cumpana | 6,498.50 mi (10,458.33 km) |
