| Grayslake to Portage (Michigan) | 125.29 mi (201.63 km) |
| Grayslake to Portage (Wisconsin) | 110.52 mi (177.87 km) |
| Grayslake to Portales (New Mexico) | 1,002.21 mi (1,612.90 km) |
| Grayslake to Porterville (California) | 1,705.13 mi (2,744.14 km) |
| Grayslake to Portland (Maine) | 900.42 mi (1,449.09 km) |
| Grayslake to Portland (Oregon) | 1,722.79 mi (2,772.57 km) |
| Grayslake to Portland (Tennessee) | 405.24 mi (652.17 km) |
| Grayslake to Portland (Texas) | 1,126.21 mi (1,812.46 km) |
| Grayslake to Portsmouth (New Hampshire) | 875.84 mi (1,409.53 km) |
| Grayslake to Portsmouth (Ohio) | 364.30 mi (586.28 km) |
| Grayslake to Portsmouth (Virginia) | 727.56 mi (1,170.89 km) |
| Grayslake to Post Falls (Idaho) | 1,450.21 mi (2,333.89 km) |
| Grayslake to Potomac (Maryland) | 612.15 mi (985.17 km) |
| Grayslake to Potomac Park (California) | 1,722.05 mi (2,771.37 km) |
| Grayslake to Pottstown (Pennsylvania) | 658.50 mi (1,059.75 km) |
