| Walnut Creek to Reedley (California) | 168.65 mi (271.42 km) |
| Walnut Creek to Reidsville (North Carolina) | 2,316.47 mi (3,728.00 km) |
| Walnut Creek to Reisterstown (Maryland) | 2,415.96 mi (3,888.12 km) |
| Walnut Creek to Rendon (Texas) | 1,442.51 mi (2,321.49 km) |
| Walnut Creek to Reno (Nevada) | 164.03 mi (263.98 km) |
| Walnut Creek to Renton (Washington) | 661.68 mi (1,064.87 km) |
| Walnut Creek to Republic (Missouri) | 1,561.69 mi (2,513.29 km) |
| Walnut Creek to Reston (Virginia) | 2,395.67 mi (3,855.46 km) |
| Walnut Creek to Revere (Massachusetts) | 2,672.29 mi (4,300.63 km) |
| Walnut Creek to Rexburg (Idaho) | 672.99 mi (1,083.08 km) |
| Walnut Creek to Reynoldsburg (Ohio) | 2,097.15 mi (3,375.03 km) |
| Walnut Creek to Rialto (California) | 368.61 mi (593.23 km) |
| Walnut Creek to Richardson (Texas) | 1,461.17 mi (2,351.52 km) |
| Walnut Creek to Richfield (Minnesota) | 1,557.07 mi (2,505.87 km) |
| Walnut Creek to Richfield (Wisconsin) | 1,798.92 mi (2,895.08 km) |
