| Gresham to Petersburg (Virginia) | 2,372.83 mi (3,818.70 km) |
| Gresham to Pflugerville (Texas) | 1,694.32 mi (2,726.74 km) |
| Gresham to Pharr (Texas) | 1,890.73 mi (3,042.83 km) |
| Gresham to Phelan (California) | 807.03 mi (1,298.79 km) |
| Gresham to Phenix City (Alabama) | 2,177.37 mi (3,504.14 km) |
| Gresham to Philadelphia (Pennsylvania) | 2,394.54 mi (3,853.63 km) |
| Gresham to Phillipsburg (New Jersey) | 2,372.62 mi (3,818.36 km) |
| Gresham to Phoenix (Arizona) | 989.96 mi (1,593.19 km) |
| Gresham to Phoenixville (Pennsylvania) | 2,372.28 mi (3,817.82 km) |
| Gresham to Picayune (Mississippi) | 2,041.20 mi (3,284.99 km) |
| Gresham to Pickerington (Ohio) | 2,030.23 mi (3,267.34 km) |
| Gresham to Pico Rivera (California) | 827.99 mi (1,332.52 km) |
| Gresham to Piedmont (California) | 530.72 mi (854.11 km) |
| Gresham to Pierre (South Dakota) | 1,081.27 mi (1,740.13 km) |
| Gresham to Pike Creek Valley (Delaware) | 2,375.61 mi (3,823.17 km) |
