| Walnut Creek to Central Point (Oregon) | 312.52 mi (502.96 km) |
| Walnut Creek to Centralia (Illinois) | 1,777.90 mi (2,861.25 km) |
| Walnut Creek to Centralia (Washington) | 611.23 mi (983.68 km) |
| Walnut Creek to Centreville (Virginia) | 2,392.50 mi (3,850.35 km) |
| Walnut Creek to Ceres (California) | 62.60 mi (100.74 km) |
| Walnut Creek to Cerritos (California) | 356.47 mi (573.68 km) |
| Walnut Creek to Chalco (Nebraska) | 1,393.40 mi (2,242.45 km) |
| Walnut Creek to Chalmette (Louisiana) | 1,908.66 mi (3,071.69 km) |
| Walnut Creek to Chambersburg (Pennsylvania) | 2,365.47 mi (3,806.86 km) |
| Walnut Creek to Chamblee (Georgia) | 2,116.07 mi (3,405.48 km) |
| Walnut Creek to Champaign (Illinois) | 1,808.42 mi (2,910.37 km) |
| Walnut Creek to Champlin (Minnesota) | 1,554.82 mi (2,502.24 km) |
| Walnut Creek to Chandler (Arizona) | 654.86 mi (1,053.89 km) |
| Walnut Creek to Chanhassen (Minnesota) | 1,543.32 mi (2,483.74 km) |
| Walnut Creek to Channahon (Illinois) | 1,801.56 mi (2,899.33 km) |
