| Leiden to Portage (Michigan) | 4,007.80 mi (6,449.93 km) |
| Leiden to Portage (Wisconsin) | 4,083.94 mi (6,572.47 km) |
| Leiden to Portales (New Mexico) | 5,061.60 mi (8,145.86 km) |
| Leiden to Porterville (California) | 5,457.47 mi (8,782.95 km) |
| Leiden to Portland (Maine) | 3,354.31 mi (5,398.25 km) |
| Leiden to Portland (Oregon) | 4,994.77 mi (8,038.30 km) |
| Leiden to Portland (Tennessee) | 4,316.98 mi (6,947.50 km) |
| Leiden to Portland (Texas) | 5,183.60 mi (8,342.20 km) |
| Leiden to Portsmouth (New Hampshire) | 3,400.93 mi (5,473.27 km) |
| Leiden to Portsmouth (Ohio) | 4,073.15 mi (6,555.11 km) |
| Leiden to Portsmouth (Virginia) | 3,904.91 mi (6,284.34 km) |
| Leiden to Post Falls (Idaho) | 4,721.78 mi (7,598.97 km) |
| Leiden to Potomac (Maryland) | 3,836.25 mi (6,173.85 km) |
| Leiden to Potomac Park (California) | 5,496.79 mi (8,846.23 km) |
| Leiden to Pottstown (Pennsylvania) | 3,717.79 mi (5,983.20 km) |
