| Walnut Creek to Yonkers (New York) | 2,547.09 mi (4,099.14 km) |
| Walnut Creek to Yorba Linda (California) | 365.93 mi (588.91 km) |
| Walnut Creek to York (Pennsylvania) | 2,413.01 mi (3,883.36 km) |
| Walnut Creek to Yorktown (Indiana) | 1,952.69 mi (3,142.56 km) |
| Walnut Creek to Yorkville (Illinois) | 1,790.80 mi (2,882.01 km) |
| Walnut Creek to Youngstown (Ohio) | 2,197.11 mi (3,535.90 km) |
| Walnut Creek to Youngsville (Louisiana) | 1,794.43 mi (2,887.86 km) |
| Walnut Creek to Ypsilanti (Michigan) | 2,035.82 mi (3,276.34 km) |
| Walnut Creek to Yuba City (California) | 87.93 mi (141.52 km) |
| Walnut Creek to Yucaipa (California) | 386.58 mi (622.14 km) |
| Walnut Creek to Yucca Valley (California) | 408.23 mi (656.98 km) |
| Walnut Creek to Yukon (Oklahoma) | 1,350.80 mi (2,173.91 km) |
| Walnut Creek to Yulee (Florida) | 2,345.80 mi (3,775.20 km) |
| Walnut Creek to Yuma (Arizona) | 559.00 mi (899.63 km) |
| Walnut Creek to Zachary (Louisiana) | 1,822.93 mi (2,933.72 km) |
