| Boise to Portage (Michigan) | 1,545.02 mi (2,486.48 km) |
| Boise to Portage (Wisconsin) | 1,333.92 mi (2,146.73 km) |
| Boise to Portales (New Mexico) | 948.41 mi (1,526.32 km) |
| Boise to Porterville (California) | 541.43 mi (871.35 km) |
| Boise to Portland (Maine) | 2,267.88 mi (3,649.80 km) |
| Boise to Portland (Oregon) | 343.01 mi (552.01 km) |
| Boise to Portland (Tennessee) | 1,633.08 mi (2,628.19 km) |
| Boise to Portland (Texas) | 1,509.87 mi (2,429.90 km) |
| Boise to Portsmouth (New Hampshire) | 2,255.46 mi (3,629.82 km) |
| Boise to Portsmouth (Ohio) | 1,750.93 mi (2,817.84 km) |
| Boise to Portsmouth (Virginia) | 2,133.31 mi (3,433.23 km) |
| Boise to Post Falls (Idaho) | 286.76 mi (461.49 km) |
| Boise to Potomac (Maryland) | 2,031.63 mi (3,269.58 km) |
| Boise to Potomac Park (California) | 587.40 mi (945.33 km) |
| Boise to Pottstown (Pennsylvania) | 2,078.32 mi (3,344.74 km) |
