| Walnut Creek to Pottstown (Pennsylvania) | 2,465.33 mi (3,967.56 km) |
| Walnut Creek to Pottsville (Pennsylvania) | 2,430.47 mi (3,911.46 km) |
| Walnut Creek to Poughkeepsie (New York) | 2,534.52 mi (4,078.92 km) |
| Walnut Creek to Poulsbo (Washington) | 680.51 mi (1,095.17 km) |
| Walnut Creek to Poway (California) | 441.63 mi (710.73 km) |
| Walnut Creek to Powder Springs (Georgia) | 2,095.62 mi (3,372.58 km) |
| Walnut Creek to Powell (Ohio) | 2,079.87 mi (3,347.22 km) |
| Walnut Creek to Powell (Tennessee) | 2,087.72 mi (3,359.86 km) |
| Walnut Creek to Prairie Ridge (Washington) | 638.54 mi (1,027.63 km) |
| Walnut Creek to Prairie Village (Kansas) | 1,479.23 mi (2,380.60 km) |
| Walnut Creek to Prairieville (Louisiana) | 1,844.15 mi (2,967.87 km) |
| Walnut Creek to Prattville (Alabama) | 2,031.66 mi (3,269.64 km) |
| Walnut Creek to Preakness (New Jersey) | 2,528.94 mi (4,069.93 km) |
| Walnut Creek to Prescott (Arizona) | 581.23 mi (935.41 km) |
| Walnut Creek to Prescott Valley (Arizona) | 587.43 mi (945.38 km) |
