| Hermiston to Portage (Michigan) | 1,680.17 mi (2,703.97 km) |
| Hermiston to Portage (Wisconsin) | 1,464.59 mi (2,357.02 km) |
| Hermiston to Portales (New Mexico) | 1,161.85 mi (1,869.82 km) |
| Hermiston to Porterville (California) | 675.05 mi (1,086.39 km) |
| Hermiston to Portland (Maine) | 2,371.43 mi (3,816.45 km) |
| Hermiston to Portland (Oregon) | 163.67 mi (263.40 km) |
| Hermiston to Portland (Tennessee) | 1,803.27 mi (2,902.08 km) |
| Hermiston to Portland (Texas) | 1,723.48 mi (2,773.68 km) |
| Hermiston to Portsmouth (New Hampshire) | 2,363.20 mi (3,803.20 km) |
| Hermiston to Portsmouth (Ohio) | 1,902.76 mi (3,062.19 km) |
| Hermiston to Portsmouth (Virginia) | 2,282.10 mi (3,672.69 km) |
| Hermiston to Post Falls (Idaho) | 171.34 mi (275.74 km) |
| Hermiston to Potomac (Maryland) | 2,171.46 mi (3,494.63 km) |
| Hermiston to Potomac Park (California) | 723.53 mi (1,164.41 km) |
| Hermiston to Pottstown (Pennsylvania) | 2,208.98 mi (3,555.01 km) |
