| Gresham to Pottsville (Pennsylvania) | 2,323.75 mi (3,739.72 km) |
| Gresham to Poughkeepsie (New York) | 2,404.87 mi (3,870.26 km) |
| Gresham to Poulsbo (Washington) | 155.03 mi (249.50 km) |
| Gresham to Poway (California) | 911.50 mi (1,466.91 km) |
| Gresham to Powder Springs (Georgia) | 2,138.65 mi (3,441.82 km) |
| Gresham to Powell (Ohio) | 2,007.14 mi (3,230.18 km) |
| Gresham to Powell (Tennessee) | 2,091.02 mi (3,365.17 km) |
| Gresham to Prairie Ridge (Washington) | 114.33 mi (184.00 km) |
| Gresham to Prairie Village (Kansas) | 1,483.08 mi (2,386.79 km) |
| Gresham to Prairieville (Louisiana) | 1,992.38 mi (3,206.42 km) |
| Gresham to Prattville (Alabama) | 2,109.47 mi (3,394.87 km) |
| Gresham to Preakness (New Jersey) | 2,411.34 mi (3,880.68 km) |
| Gresham to Prescott (Arizona) | 919.51 mi (1,479.80 km) |
| Gresham to Prescott Valley (Arizona) | 922.63 mi (1,484.83 km) |
| Gresham to Prichard (Alabama) | 2,101.70 mi (3,382.37 km) |
