| Crystal to Cortona | 4,807.62 mi (7,737.12 km) |
| Crystal to Cosenza | 5,158.12 mi (8,301.20 km) |
| Crystal to Cossato | 4,561.62 mi (7,341.21 km) |
| Crystal to Costa Volpino | 4,619.80 mi (7,434.85 km) |
| Crystal to Creazzo | 4,683.17 mi (7,536.83 km) |
| Crystal to Crema | 4,626.05 mi (7,444.90 km) |
| Crystal to Cremona | 4,649.49 mi (7,482.62 km) |
| Crystal to Crevalcore | 4,709.30 mi (7,578.88 km) |
| Crystal to Crispiano | 5,128.89 mi (8,254.14 km) |
| Crystal to Crosia | 5,163.77 mi (8,310.28 km) |
| Crystal to Crotone | 5,200.90 mi (8,370.04 km) |
| Crystal to Cuneo | 4,592.19 mi (7,390.41 km) |
| Crystal to Cuorgne | 4,550.58 mi (7,323.44 km) |
| Crystal to Cusano Milanino | 4,599.50 mi (7,402.17 km) |
| Crystal to Cutro | 5,198.51 mi (8,366.20 km) |
