| Bethesda to Cortona | 4,414.35 mi (7,104.21 km) |
| Bethesda to Cosenza | 4,747.19 mi (7,639.86 km) |
| Bethesda to Cossato | 4,173.10 mi (6,715.95 km) |
| Bethesda to Costa Volpino | 4,247.44 mi (6,835.60 km) |
| Bethesda to Creazzo | 4,315.99 mi (6,945.92 km) |
| Bethesda to Crema | 4,244.68 mi (6,831.15 km) |
| Bethesda to Cremona | 4,267.29 mi (6,867.54 km) |
| Bethesda to Crevalcore | 4,329.03 mi (6,966.90 km) |
| Bethesda to Crispiano | 4,740.80 mi (7,629.58 km) |
| Bethesda to Crosia | 4,759.91 mi (7,660.33 km) |
| Bethesda to Crotone | 4,794.07 mi (7,715.32 km) |
| Bethesda to Cuneo | 4,183.58 mi (6,732.82 km) |
| Bethesda to Cuorgne | 4,156.30 mi (6,688.93 km) |
| Bethesda to Cusano Milanino | 4,217.34 mi (6,787.15 km) |
| Bethesda to Cutro | 4,790.06 mi (7,708.86 km) |
