| Walnut Creek to Parma (Ohio) | 2,138.78 mi (3,442.03 km) |
| Walnut Creek to Parma Heights (Ohio) | 2,136.95 mi (3,439.09 km) |
| Walnut Creek to Parole (Maryland) | 2,436.72 mi (3,921.52 km) |
| Walnut Creek to Parsippany (New Jersey) | 2,520.24 mi (4,055.94 km) |
| Walnut Creek to Pasadena (California) | 338.13 mi (544.16 km) |
| Walnut Creek to Pasadena (Maryland) | 2,434.02 mi (3,917.18 km) |
| Walnut Creek to Pasadena (Texas) | 1,638.87 mi (2,637.51 km) |
| Walnut Creek to Pasadena Hills (Florida) | 2,378.05 mi (3,827.09 km) |
| Walnut Creek to Pascagoula (Mississippi) | 1,973.10 mi (3,175.40 km) |
| Walnut Creek to Pasco (Washington) | 595.67 mi (958.65 km) |
| Walnut Creek to Passaic (New Jersey) | 2,534.96 mi (4,079.62 km) |
| Walnut Creek to Pataskala (Ohio) | 2,100.71 mi (3,380.77 km) |
| Walnut Creek to Patchogue (New York) | 2,593.11 mi (4,173.21 km) |
| Walnut Creek to Paterson (New Jersey) | 2,532.42 mi (4,075.54 km) |
| Walnut Creek to Patterson (California) | 56.72 mi (91.28 km) |
