| Lanham to Cortona | 4,403.29 mi (7,086.40 km) |
| Lanham to Cosenza | 4,735.81 mi (7,621.54 km) |
| Lanham to Cossato | 4,162.18 mi (6,698.38 km) |
| Lanham to Costa Volpino | 4,236.70 mi (6,818.30 km) |
| Lanham to Creazzo | 4,305.29 mi (6,928.69 km) |
| Lanham to Crema | 4,233.82 mi (6,813.68 km) |
| Lanham to Cremona | 4,256.41 mi (6,850.04 km) |
| Lanham to Crevalcore | 4,318.16 mi (6,949.40 km) |
| Lanham to Crispiano | 4,729.70 mi (7,611.71 km) |
| Lanham to Crosia | 4,748.61 mi (7,642.15 km) |
| Lanham to Crotone | 4,782.73 mi (7,697.05 km) |
| Lanham to Cuneo | 4,172.40 mi (6,714.84 km) |
| Lanham to Cuorgne | 4,145.32 mi (6,671.25 km) |
| Lanham to Cusano Milanino | 4,206.48 mi (6,769.68 km) |
| Lanham to Cutro | 4,778.70 mi (7,690.57 km) |
