| Richardson to Cernavoda | 6,066.36 mi (9,762.86 km) |
| Richardson to Chitila | 5,987.21 mi (9,635.49 km) |
| Richardson to Cisnadie | 5,865.20 mi (9,439.12 km) |
| Richardson to Cluj-Napoca | 5,795.42 mi (9,326.83 km) |
| Richardson to Codlea | 5,910.74 mi (9,512.42 km) |
| Richardson to Comanesti | 5,909.18 mi (9,509.91 km) |
| Richardson to Comarnic | 5,938.99 mi (9,557.88 km) |
| Richardson to Constanta | 6,095.36 mi (9,809.53 km) |
| Richardson to Corabia | 5,970.52 mi (9,608.62 km) |
| Richardson to Costesti | 5,940.79 mi (9,560.77 km) |
| Richardson to Covasna | 5,928.67 mi (9,541.28 km) |
| Richardson to Craiova | 5,919.15 mi (9,525.94 km) |
| Richardson to Cristuru Secuiesc | 5,867.97 mi (9,443.59 km) |
| Richardson to Cugir | 5,831.43 mi (9,384.79 km) |
| Richardson to Cumpana | 6,095.44 mi (9,809.66 km) |
