| Os to Portage (Michigan) | 3,787.41 mi (6,095.24 km) |
| Os to Portage (Wisconsin) | 3,831.70 mi (6,166.53 km) |
| Os to Portales (New Mexico) | 4,781.85 mi (7,695.64 km) |
| Os to Porterville (California) | 5,080.19 mi (8,175.77 km) |
| Os to Portland (Maine) | 3,215.56 mi (5,174.95 km) |
| Os to Portland (Oregon) | 4,568.74 mi (7,352.68 km) |
| Os to Portland (Tennessee) | 4,129.52 mi (6,645.81 km) |
| Os to Portland (Texas) | 4,975.51 mi (8,007.31 km) |
| Os to Portsmouth (New Hampshire) | 3,264.65 mi (5,253.95 km) |
| Os to Portsmouth (Ohio) | 3,893.87 mi (6,266.58 km) |
| Os to Portsmouth (Virginia) | 3,783.60 mi (6,089.12 km) |
| Os to Post Falls (Idaho) | 4,312.08 mi (6,939.63 km) |
| Os to Potomac (Maryland) | 3,692.47 mi (5,942.45 km) |
| Os to Potomac Park (California) | 5,122.34 mi (8,243.61 km) |
| Os to Pottstown (Pennsylvania) | 3,574.31 mi (5,752.30 km) |
