| Burbank Substation | Walla Walla, WA | 2.4 miles | NE |
| Franklin Substation | Franklin, WA | 2.7 miles | NW |
| Tri Cities Vocational Center | Franklin, WA | 9.2 miles | NW |
| Hunt | Walla Walla, WA | 10.2 miles | SE |
| Amon Pumping Station | Benton, WA | 11 miles | SW |
| Baxter Substation | Franklin, WA | 17.3 miles | NW |
| Fast Flux Test Facility | Benton, WA | 23.4 miles | NW |
| Umatilla Toll Bridge Toll Plaza (historical) | Umatilla, OR | 24.2 miles | SW |
| Columbia Grange Hall | Umatilla, OR | 25.7 miles | SW |
| Myrick Grange Hall | Umatilla, OR | 28.1 miles | SE |
| Cold Springs Grange Hall | Umatilla, OR | 30.9 miles | SE |
| Washington State Penitentiary | Walla Walla, WA | 32.2 miles | SE |
| Veterans Administration Medical Center | Walla Walla, WA | 32.8 miles | SE |
| Russel D Smith Powerplant | Adams, WA | 37.7 miles | NW |
| Umatilla National Forest Headquarters | Umatilla, OR | 38.3 miles | SE |
| Pendleton Ranger Station | Umatilla, OR | 38.4 miles | SE |
| Gilliam | Walla Walla, WA | 39.7 miles | NE |
| Indian Agency Headquarters | Umatilla, OR | 40.2 miles | SE |
| Bruce Memorial Museum | Walla Walla, WA | 41.2 miles | NE |
| Blehyl Library and Powell Museum | Yakima, WA | 42.8 miles | NW |
| Sand Hills Grange Hall | Adams, WA | 45.8 miles | NE |
| White Eagle Grange Hall | Umatilla, OR | 47.5 miles | SE |
| Sunnyside Museum | Yakima, WA | 48.8 miles | NW |
| Dayton Railroad Depot | Columbia, WA | 49.7 miles | NE |
| Columbia County Courthouse | Columbia, WA | 50 miles | NE |
| McGregor | Adams, WA | 52.6 miles | NE |
| Lena Grange | Morrow, OR | 57.8 miles | SW |
| Lexington Grange Hall | Morrow, OR | 59.2 miles | SW |
| Watermaster Headquarters | Grant, WA | 60.1 miles | NW |
| Little Turkey Recreation Residence | Columbia, WA | 60.6 miles | SE |
| Heppner Ranger Station | Morrow, OR | 63.7 miles | SW |
| Grange Hall | Union, OR | 67.9 miles | SE |
| Cricket Flat Grange Hall | Union, OR | 69.9 miles | SE |
| Rhea Creek Grange | Morrow, OR | 72.5 miles | SW |
| North Fork John Day Ranger Station | Umatilla, OR | 73.7 miles | SE |
| La Grande Police Station | Union, OR | 75 miles | SE |
| La Grande Fire House | Union, OR | 75.2 miles | SE |
| La Grande Ranger Station | Union, OR | 76.7 miles | SE |
| Yakima County Department of Corrections | Yakima, WA | 76.7 miles | NW |
| Operation Fish Run | Garfield, WA | 81.7 miles | NE |
| Grant County Courthouse | Grant, WA | 81.8 miles | NW |
| Asotin Game Range Headquarters | Asotin, WA | 82.3 miles | NE |
| Wallowa Fire Station | Wallowa, OR | 83.5 miles | SE |
| Crab Creek Grange Hall | Lincoln, WA | 89.2 miles | NE |
| Igo Grange Hall | Gilliam, OR | 89.7 miles | SW |
| Ritter Grange (historical) | Grant, OR | 90.7 miles | SW |
| Canniwai Grange Hall | Lincoln, WA | 90.8 miles | NE |
| Nicholson Pavilion | Kittitas, WA | 91.5 miles | NW |
| Bouillon Library | Kittitas, WA | 91.5 miles | NW |
| Whitman County Courthouse | Whitman, WA | 91.6 miles | NE |
|