| Box Elder to Portage (Michigan) | 889.72 mi (1,431.86 km) |
| Box Elder to Portage (Wisconsin) | 679.00 mi (1,092.75 km) |
| Box Elder to Portales (New Mexico) | 686.71 mi (1,105.15 km) |
| Box Elder to Porterville (California) | 1,007.29 mi (1,621.08 km) |
| Box Elder to Portland (Maine) | 1,622.99 mi (2,611.94 km) |
| Box Elder to Portland (Oregon) | 961.58 mi (1,547.52 km) |
| Box Elder to Portland (Tennessee) | 1,012.13 mi (1,628.86 km) |
| Box Elder to Portland (Texas) | 1,165.00 mi (1,874.89 km) |
| Box Elder to Portsmouth (New Hampshire) | 1,607.75 mi (2,587.42 km) |
| Box Elder to Portsmouth (Ohio) | 1,103.46 mi (1,775.85 km) |
| Box Elder to Portsmouth (Virginia) | 1,483.73 mi (2,387.83 km) |
| Box Elder to Post Falls (Idaho) | 710.00 mi (1,142.63 km) |
| Box Elder to Potomac (Maryland) | 1,377.56 mi (2,216.96 km) |
| Box Elder to Potomac Park (California) | 1,035.08 mi (1,665.80 km) |
| Box Elder to Pottstown (Pennsylvania) | 1,422.97 mi (2,290.05 km) |
