| Flagstaff to Cernavoda | 6,387.73 mi (10,280.06 km) |
| Flagstaff to Chitila | 6,323.12 mi (10,176.08 km) |
| Flagstaff to Cisnadie | 6,204.15 mi (9,984.62 km) |
| Flagstaff to Cluj-Napoca | 6,128.94 mi (9,863.57 km) |
| Flagstaff to Codlea | 6,240.21 mi (10,042.65 km) |
| Flagstaff to Comanesti | 6,224.58 mi (10,017.49 km) |
| Flagstaff to Comarnic | 6,270.98 mi (10,092.16 km) |
| Flagstaff to Constanta | 6,413.42 mi (10,321.41 km) |
| Flagstaff to Corabia | 6,324.23 mi (10,177.86 km) |
| Flagstaff to Costesti | 6,283.66 mi (10,112.57 km) |
| Flagstaff to Covasna | 6,251.20 mi (10,060.33 km) |
| Flagstaff to Craiova | 6,273.02 mi (10,095.45 km) |
| Flagstaff to Cristuru Secuiesc | 6,195.17 mi (9,970.17 km) |
| Flagstaff to Cugir | 6,174.97 mi (9,937.66 km) |
| Flagstaff to Cumpana | 6,414.59 mi (10,323.28 km) |
