| Government Gap | Sheridan, WY | 12.2 miles | SW |
| Geneva Pass | Big Horn, WY | 26.6 miles | SW |
| Elk Pass | Johnson, WY | 27.2 miles | SW |
| Rock Chuck Pass | Sheridan, WY | 27.5 miles | SW |
| Edelman Pass | Johnson, WY | 27.9 miles | SW |
| Florence Pass | Big Horn, WY | 28 miles | SW |
| Woodchuck Pass | Sheridan, WY | 30.8 miles | SW |
| Dutch Oven Pass | Big Horn, WY | 31.3 miles | SW |
| Granite Pass | Sheridan, WY | 34.7 miles | SW |
| Snowshoe Pass | Big Horn, WY | 35.9 miles | SW |
| Munkres Pass | Johnson, WY | 36.8 miles | SW |
| Powder River Pass | Johnson, WY | 37 miles | SW |
| West Pass | Sheridan, WY | 42 miles | NW |
| Sioux Pass | Big Horn, MT | 44.9 miles | NW |
| The Slip | Johnson, WY | 54.9 miles | SW |
| Hardrobe Water Gap | Big Horn, MT | 57.9 miles | NW |
| Fraker Pass | Johnson, WY | 60.5 miles | SW |
| Dull Knife Pass | Johnson, WY | 60.7 miles | SW |
| Toll Gap | Johnson, WY | 64.5 miles | SW |
| Bar C Gap | Johnson, WY | 71.8 miles | SW |
| The Gap | Campbell, WY | 74.1 miles | SE |
| Camps Pass | Powder River, MT | 76.7 miles | NE |
| Suicide Pass | Powder River, MT | 77.3 miles | NE |
| Griffin Pass | Powder River, MT | 83.7 miles | NE |
| Sioux Pass | Natrona, WY | 88.7 miles | SW |
| The Gap | Natrona, WY | 89.5 miles | SE |
| Cottonwood Pass | Fremont, WY | 89.6 miles | SW |
| Smoky Gap | Natrona, WY | 89.9 miles | SE |
| Fenton Pass | Big Horn, WY | 90.1 miles | SW |
| Davis Pass | Fremont, WY | 91.1 miles | SW |
| De Pass | Fremont, WY | 98 miles | SW |
| Cedar Gap | Natrona, WY | 98.2 miles | SW |
| Pryor Gap | Big Horn, MT | 98.9 miles | NW |
| Birdseye Pass | Fremont, WY | 103.7 miles | SW |
| Mexican Pass | Hot Springs, WY | 114.4 miles | SW |
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