| Walnut to Cortona | 6,230.01 mi (10,026.24 km) |
| Walnut to Cosenza | 6,582.60 mi (10,593.67 km) |
| Walnut to Cossato | 5,986.99 mi (9,635.13 km) |
| Walnut to Costa Volpino | 6,035.15 mi (9,712.63 km) |
| Walnut to Creazzo | 6,094.07 mi (9,807.46 km) |
| Walnut to Crema | 6,046.15 mi (9,730.34 km) |
| Walnut to Cremona | 6,069.49 mi (9,767.91 km) |
| Walnut to Crevalcore | 6,126.85 mi (9,860.22 km) |
| Walnut to Crispiano | 6,541.07 mi (10,526.84 km) |
| Walnut to Crosia | 6,584.19 mi (10,596.23 km) |
| Walnut to Crotone | 6,622.19 mi (10,657.38 km) |
| Walnut to Cuneo | 6,027.10 mi (9,699.68 km) |
| Walnut to Cuorgne | 5,979.16 mi (9,622.53 km) |
| Walnut to Cusano Milanino | 6,020.65 mi (9,689.29 km) |
| Walnut to Cutro | 6,620.76 mi (10,655.08 km) |
