| Hermiston to Pottsville (Pennsylvania) | 2,169.71 mi (3,491.81 km) |
| Hermiston to Poughkeepsie (New York) | 2,250.88 mi (3,622.44 km) |
| Hermiston to Poulsbo (Washington) | 206.35 mi (332.10 km) |
| Hermiston to Poway (California) | 895.63 mi (1,441.38 km) |
| Hermiston to Powder Springs (Georgia) | 1,992.93 mi (3,207.31 km) |
| Hermiston to Powell (Ohio) | 1,853.98 mi (2,983.70 km) |
| Hermiston to Powell (Tennessee) | 1,941.96 mi (3,125.29 km) |
| Hermiston to Prairie Ridge (Washington) | 163.26 mi (262.74 km) |
| Hermiston to Prairie Village (Kansas) | 1,336.83 mi (2,151.43 km) |
| Hermiston to Prairieville (Louisiana) | 1,861.06 mi (2,995.09 km) |
| Hermiston to Prattville (Alabama) | 1,967.66 mi (3,166.64 km) |
| Hermiston to Preakness (New Jersey) | 2,257.28 mi (3,632.73 km) |
| Hermiston to Prescott (Arizona) | 856.01 mi (1,377.62 km) |
| Hermiston to Prescott Valley (Arizona) | 858.04 mi (1,380.87 km) |
| Hermiston to Prichard (Alabama) | 1,965.03 mi (3,162.42 km) |
