| Birkenhead to Portage (Michigan) | 3,689.23 mi (5,937.25 km) |
| Birkenhead to Portage (Wisconsin) | 3,769.89 mi (6,067.04 km) |
| Birkenhead to Portales (New Mexico) | 4,750.53 mi (7,645.24 km) |
| Birkenhead to Porterville (California) | 5,172.62 mi (8,324.52 km) |
| Birkenhead to Portland (Maine) | 3,030.05 mi (4,876.39 km) |
| Birkenhead to Portland (Oregon) | 4,733.42 mi (7,617.70 km) |
| Birkenhead to Portland (Tennessee) | 3,994.67 mi (6,428.80 km) |
| Birkenhead to Portland (Texas) | 4,862.23 mi (7,825.00 km) |
| Birkenhead to Portsmouth (New Hampshire) | 3,076.55 mi (4,951.22 km) |
| Birkenhead to Portsmouth (Ohio) | 3,750.47 mi (6,035.80 km) |
| Birkenhead to Portsmouth (Virginia) | 3,580.09 mi (5,761.60 km) |
| Birkenhead to Post Falls (Idaho) | 4,453.28 mi (7,166.86 km) |
| Birkenhead to Potomac (Maryland) | 3,511.89 mi (5,651.84 km) |
| Birkenhead to Potomac Park (California) | 5,210.76 mi (8,385.91 km) |
| Birkenhead to Pottstown (Pennsylvania) | 3,393.47 mi (5,461.27 km) |
