| Walnut Creek to Cold Springs (Nevada) | 166.23 mi (267.52 km) |
| Walnut Creek to Coldwater (Michigan) | 1,966.97 mi (3,165.53 km) |
| Walnut Creek to Colesville (Maryland) | 2,411.88 mi (3,881.54 km) |
| Walnut Creek to College (Alaska) | 2,136.17 mi (3,437.83 km) |
| Walnut Creek to College Park (Georgia) | 2,112.69 mi (3,400.05 km) |
| Walnut Creek to College Park (Maryland) | 2,416.57 mi (3,889.10 km) |
| Walnut Creek to College Station (Texas) | 1,548.86 mi (2,492.65 km) |
| Walnut Creek to Collegedale (Tennessee) | 2,051.09 mi (3,300.92 km) |
| Walnut Creek to Colleyville (Texas) | 1,439.32 mi (2,316.36 km) |
| Walnut Creek to Collierville (Tennessee) | 1,798.62 mi (2,894.60 km) |
| Walnut Creek to Collinsville (Illinois) | 1,729.14 mi (2,782.79 km) |
| Walnut Creek to Colonia (New Jersey) | 2,529.06 mi (4,070.13 km) |
| Walnut Creek to Colonial Heights (Virginia) | 2,420.91 mi (3,896.08 km) |
| Walnut Creek to Colonial Park (Pennsylvania) | 2,404.59 mi (3,869.82 km) |
| Walnut Creek to Colorado Springs (Colorado) | 936.81 mi (1,507.65 km) |
