| Walnut Creek to Corato | 6,378.13 mi (10,264.62 km) |
| Walnut Creek to Corbetta | 5,920.51 mi (9,528.15 km) |
| Walnut Creek to Corciano | 6,148.42 mi (9,894.93 km) |
| Walnut Creek to Cordenons | 5,997.22 mi (9,651.59 km) |
| Walnut Creek to Cori | 6,251.58 mi (10,060.94 km) |
| Walnut Creek to Coriano | 6,109.77 mi (9,832.72 km) |
| Walnut Creek to Corigliano Calabro | 6,472.59 mi (10,416.63 km) |
| Walnut Creek to Corleone | 6,482.69 mi (10,432.88 km) |
| Walnut Creek to Cormano | 5,923.12 mi (9,532.33 km) |
| Walnut Creek to Cornaredo | 5,922.04 mi (9,530.61 km) |
| Walnut Creek to Cornate d'Adda | 5,926.17 mi (9,537.25 km) |
| Walnut Creek to Cornedo Vicentino | 5,981.13 mi (9,625.70 km) |
| Walnut Creek to Correggio | 6,012.94 mi (9,676.90 km) |
| Walnut Creek to Corridonia | 6,176.44 mi (9,940.02 km) |
| Walnut Creek to Corsico | 5,928.15 mi (9,540.44 km) |
