| Walnut Creek to Candler-McAfee (Georgia) | 2,121.10 mi (3,413.58 km) |
| Walnut Creek to Caño Martin Peña (Puerto Rico) | 3,606.49 mi (5,804.08 km) |
| Walnut Creek to Cañon City (Colorado) | 913.10 mi (1,469.49 km) |
| Walnut Creek to Canóvanas (Puerto Rico) | 3,617.01 mi (5,821.01 km) |
| Walnut Creek to Canton (Georgia) | 2,097.95 mi (3,376.33 km) |
| Walnut Creek to Canton (Illinois) | 1,712.91 mi (2,756.66 km) |
| Walnut Creek to Canton (Mississippi) | 1,833.45 mi (2,950.66 km) |
| Walnut Creek to Canton (Ohio) | 2,162.69 mi (3,480.51 km) |
| Walnut Creek to Canyon (Texas) | 1,133.93 mi (1,824.88 km) |
| Walnut Creek to Canyon Lake (California) | 395.43 mi (636.39 km) |
| Walnut Creek to Canyon Lake (Texas) | 1,466.99 mi (2,360.89 km) |
| Walnut Creek to Cape Coral (Florida) | 2,444.00 mi (3,933.23 km) |
| Walnut Creek to Cape Girardeau (Missouri) | 1,769.29 mi (2,847.39 km) |
| Walnut Creek to Carbondale (Illinois) | 1,781.95 mi (2,867.77 km) |
| Walnut Creek to Carlisle (Pennsylvania) | 2,385.37 mi (3,838.88 km) |
