| Keller to Cortona | 5,535.74 mi (8,908.91 km) |
| Keller to Cosenza | 5,879.04 mi (9,461.40 km) |
| Keller to Cossato | 5,290.49 mi (8,514.22 km) |
| Keller to Costa Volpino | 5,357.28 mi (8,621.70 km) |
| Keller to Creazzo | 5,423.66 mi (8,728.54 km) |
| Keller to Crema | 5,359.04 mi (8,624.54 km) |
| Keller to Cremona | 5,382.22 mi (8,661.85 km) |
| Keller to Crevalcore | 5,443.44 mi (8,760.37 km) |
| Keller to Crispiano | 5,861.81 mi (9,433.68 km) |
| Keller to Crosia | 5,888.56 mi (9,476.73 km) |
| Keller to Crotone | 5,924.32 mi (9,534.27 km) |
| Keller to Cuneo | 5,310.67 mi (8,546.70 km) |
| Keller to Cuorgne | 5,276.38 mi (8,491.51 km) |
| Keller to Cusano Milanino | 5,331.90 mi (8,580.86 km) |
| Keller to Cutro | 5,921.03 mi (9,528.98 km) |
