| Street to Portage (Michigan) | 3,765.17 mi (6,059.46 km) |
| Street to Portage (Wisconsin) | 3,854.21 mi (6,202.75 km) |
| Street to Portales (New Mexico) | 4,838.21 mi (7,786.34 km) |
| Street to Porterville (California) | 5,285.27 mi (8,505.82 km) |
| Street to Portland (Maine) | 3,086.78 mi (4,967.70 km) |
| Street to Portland (Oregon) | 4,860.23 mi (7,821.78 km) |
| Street to Portland (Tennessee) | 4,059.92 mi (6,533.81 km) |
| Street to Portland (Texas) | 4,929.64 mi (7,933.49 km) |
| Street to Portsmouth (New Hampshire) | 3,132.26 mi (5,040.89 km) |
| Street to Portsmouth (Ohio) | 3,814.60 mi (6,139.00 km) |
| Street to Portsmouth (Virginia) | 3,628.57 mi (5,839.62 km) |
| Street to Post Falls (Idaho) | 4,576.72 mi (7,365.53 km) |
| Street to Potomac (Maryland) | 3,567.18 mi (5,740.81 km) |
| Street to Potomac Park (California) | 5,322.54 mi (8,565.80 km) |
| Street to Pottstown (Pennsylvania) | 3,449.33 mi (5,551.16 km) |
