| Reston to Cortona | 4,425.74 mi (7,122.54 km) |
| Reston to Cosenza | 4,758.73 mi (7,658.44 km) |
| Reston to Cossato | 4,184.41 mi (6,734.16 km) |
| Reston to Costa Volpino | 4,258.66 mi (6,853.66 km) |
| Reston to Creazzo | 4,327.19 mi (6,963.95 km) |
| Reston to Crema | 4,255.96 mi (6,849.31 km) |
| Reston to Cremona | 4,278.58 mi (6,885.71 km) |
| Reston to Crevalcore | 4,340.32 mi (6,985.07 km) |
| Reston to Crispiano | 4,752.21 mi (7,647.94 km) |
| Reston to Crosia | 4,771.41 mi (7,678.85 km) |
| Reston to Crotone | 4,805.60 mi (7,733.87 km) |
| Reston to Cuneo | 4,195.02 mi (6,751.24 km) |
| Reston to Cuorgne | 4,167.65 mi (6,707.19 km) |
| Reston to Cusano Milanino | 4,228.62 mi (6,805.31 km) |
| Reston to Cutro | 4,801.60 mi (7,727.43 km) |
