| Gary to Pell City (Alabama) | 557.92 mi (897.88 km) |
| Gary to Pella (Iowa) | 288.56 mi (464.40 km) |
| Gary to Pembroke Pines (Florida) | 1,148.04 mi (1,847.59 km) |
| Gary to Pendleton (Oregon) | 1,588.37 mi (2,556.23 km) |
| Gary to Pensacola (Florida) | 770.38 mi (1,239.81 km) |
| Gary to Peoria (Arizona) | 1,460.50 mi (2,350.44 km) |
| Gary to Peoria (Illinois) | 131.42 mi (211.49 km) |
| Gary to Perris (California) | 1,710.07 mi (2,752.09 km) |
| Gary to Perry (Georgia) | 660.72 mi (1,063.32 km) |
| Gary to Perry Hall (Maryland) | 590.21 mi (949.85 km) |
| Gary to Perrysburg (Ohio) | 191.61 mi (308.36 km) |
| Gary to Perth Amboy (New Jersey) | 684.56 mi (1,101.69 km) |
| Gary to Peru (Indiana) | 87.59 mi (140.96 km) |
| Gary to Petal (Mississippi) | 715.39 mi (1,151.31 km) |
| Gary to Petaluma (California) | 1,870.68 mi (3,010.57 km) |
