| Willoughby to Pawtucket (Rhode Island) | 517.10 mi (832.19 km) |
| Willoughby to Payson (Arizona) | 1,698.29 mi (2,733.14 km) |
| Willoughby to Payson (Utah) | 1,581.13 mi (2,544.59 km) |
| Willoughby to Peabody (Massachusetts) | 538.24 mi (866.22 km) |
| Willoughby to Peachtree City (Georgia) | 595.77 mi (958.81 km) |
| Willoughby to Peachtree Corners (Georgia) | 552.41 mi (889.01 km) |
| Willoughby to Pearl (Mississippi) | 804.79 mi (1,295.18 km) |
| Willoughby to Pearl City (Hawaii) | 4,570.50 mi (7,355.50 km) |
| Willoughby to Pearl River (New York) | 385.99 mi (621.18 km) |
| Willoughby to Pearland (Texas) | 1,140.92 mi (1,836.13 km) |
| Willoughby to Pebble Creek (Florida) | 933.38 mi (1,502.14 km) |
| Willoughby to Pecan Grove (Texas) | 1,153.20 mi (1,855.90 km) |
| Willoughby to Pecos (Texas) | 1,411.21 mi (2,271.12 km) |
| Willoughby to Peekskill (New York) | 388.23 mi (624.79 km) |
| Willoughby to Pekin (Illinois) | 434.03 mi (698.50 km) |
