| Isabela to Portage (Michigan) | 1,966.94 mi (3,165.48 km) |
| Isabela to Portage (Wisconsin) | 2,167.05 mi (3,487.52 km) |
| Isabela to Portales (New Mexico) | 2,478.97 mi (3,989.52 km) |
| Isabela to Porterville (California) | 3,372.12 mi (5,426.90 km) |
| Isabela to Portland (Maine) | 1,749.88 mi (2,816.16 km) |
| Isabela to Portland (Oregon) | 3,663.68 mi (5,896.12 km) |
| Isabela to Portland (Tennessee) | 1,722.04 mi (2,771.36 km) |
| Isabela to Portland (Texas) | 2,024.60 mi (3,258.28 km) |
| Isabela to Portsmouth (New Hampshire) | 1,711.01 mi (2,753.61 km) |
| Isabela to Portsmouth (Ohio) | 1,694.43 mi (2,726.92 km) |
| Isabela to Portsmouth (Virginia) | 1,388.48 mi (2,234.54 km) |
| Isabela to Post Falls (Idaho) | 3,440.35 mi (5,536.72 km) |
| Isabela to Potomac (Maryland) | 1,542.99 mi (2,483.20 km) |
| Isabela to Potomac Park (California) | 3,362.91 mi (5,412.08 km) |
| Isabela to Pottstown (Pennsylvania) | 1,588.00 mi (2,555.64 km) |
