| Katy to Cortona | 5,633.62 mi (9,066.43 km) |
| Katy to Cosenza | 5,972.09 mi (9,611.14 km) |
| Katy to Cossato | 5,389.87 mi (8,674.15 km) |
| Katy to Costa Volpino | 5,460.21 mi (8,787.35 km) |
| Katy to Creazzo | 5,527.67 mi (8,895.92 km) |
| Katy to Crema | 5,459.93 mi (8,786.91 km) |
| Katy to Cremona | 5,482.89 mi (8,823.87 km) |
| Katy to Crevalcore | 5,544.46 mi (8,922.94 km) |
| Katy to Crispiano | 5,960.37 mi (9,592.29 km) |
| Katy to Crosia | 5,983.31 mi (9,629.20 km) |
| Katy to Crotone | 6,018.28 mi (9,685.48 km) |
| Katy to Cuneo | 5,405.39 mi (8,699.14 km) |
| Katy to Cuorgne | 5,374.47 mi (8,649.38 km) |
| Katy to Cusano Milanino | 5,432.65 mi (8,743.01 km) |
| Katy to Cutro | 6,014.60 mi (9,679.57 km) |
