| Walnut Creek to Ramsey (New Jersey) | 2,531.34 mi (4,073.79 km) |
| Walnut Creek to Rancho Cordova (California) | 63.06 mi (101.48 km) |
| Walnut Creek to Rancho Cucamonga (California) | 361.33 mi (581.50 km) |
| Walnut Creek to Rancho Mirage (California) | 424.84 mi (683.72 km) |
| Walnut Creek to Rancho Palos Verdes (California) | 352.79 mi (567.77 km) |
| Walnut Creek to Rancho San Diego (California) | 457.45 mi (736.20 km) |
| Walnut Creek to Rancho Santa Margarita (California) | 385.97 mi (621.16 km) |
| Walnut Creek to Randallstown (Maryland) | 2,417.78 mi (3,891.04 km) |
| Walnut Creek to Rantoul (Illinois) | 1,813.29 mi (2,918.22 km) |
| Walnut Creek to Rapid City (South Dakota) | 1,066.93 mi (1,717.05 km) |
| Walnut Creek to Ravenna (Ohio) | 2,165.80 mi (3,485.52 km) |
| Walnut Creek to Raymondville (Texas) | 1,616.42 mi (2,601.38 km) |
| Walnut Creek to Raymore (Missouri) | 1,490.09 mi (2,398.07 km) |
| Walnut Creek to Raytown (Missouri) | 1,488.38 mi (2,395.32 km) |
| Walnut Creek to Reading (Ohio) | 2,019.13 mi (3,249.47 km) |
