| Olney Pass | Snohomish, WA | 28.5 miles | NE |
| Walker Pass | Jefferson, WA | 33.7 miles | NW |
| Windy Pass | Snohomish, WA | 35.6 miles | NE |
| Old Womens Gulch | Pierce, WA | 35.9 miles | SW |
| Granite Pass | Snohomish, WA | 36 miles | NE |
| Hard Pass | Snohomish, WA | 36.1 miles | NE |
| Tupso Pass | Snohomish, WA | 36.4 miles | NE |
| Tin Can Gap | Snohomish, WA | 36.4 miles | NE |
| Sheep Gap | Snohomish, WA | 36.6 miles | NE |
| Headlee Pass | Snohomish, WA | 36.6 miles | NE |
| Foggy Pass | Snohomish, WA | 37 miles | NE |
| Deer Creek Pass | Snohomish, WA | 37.1 miles | NE |
| Squire Creek Pass | Snohomish, WA | 38 miles | NE |
| Melakwa Pass | King, WA | 39.1 miles | SE |
| Bon Jon Pass | Clallam, WA | 39.3 miles | NW |
| Barlow Pass | Snohomish, WA | 39.4 miles | NE |
| Lone Tree Pass | Snohomish, WA | 39.5 miles | NE |
| Poodle Dog Pass | Snohomish, WA | 39.6 miles | NE |
| Hemlock Pass | King, WA | 40 miles | SE |
| Jack Pass | Snohomish, WA | 41.2 miles | NE |
| Ida Pass | Snohomish, WA | 41.9 miles | NE |
| Trap Pass | Jefferson, WA | 42.4 miles | SW |
| Buckhorn Pass | Jefferson, WA | 43.9 miles | NW |
| Marmot Pass | Jefferson, WA | 44 miles | NW |
| Coney Pass | Skagit, WA | 44.8 miles | NE |
| Curry Gap | Snohomish, WA | 45.2 miles | NE |
| Constance Pass | Jefferson, WA | 45.3 miles | NW |
| Deer Creek Pass | Skagit, WA | 45.8 miles | NE |
| Yakima Pass | Kittitas, WA | 45.8 miles | SE |
| Stujack Pass | Snohomish, WA | 46.2 miles | NE |
| Alta Pass | Kittitas, WA | 46.2 miles | SE |
| La Bohn Gap | King, WA | 46.4 miles | SE |
| Dutch Miller Gap | King, WA | 46.7 miles | SE |
| Bingley Gap | Snohomish, WA | 46.9 miles | NE |
| Washington Pass | Mason, WA | 47.2 miles | SW |
| Cedar Notch | King, WA | 47.4 miles | SE |
| Meadow Pass | King, WA | 47.8 miles | SE |
| Saddle Gap | Snohomish, WA | 48.2 miles | NE |
| Rat Trap Pass | Snohomish, WA | 48.7 miles | NE |
| Wenatchee Pass | Chelan, WA | 48.8 miles | NE |
| Cady Pass | Snohomish, WA | 48.9 miles | NE |
| Pieper Pass | King, WA | 48.9 miles | SE |
| Surprise Gap | King, WA | 49.5 miles | SE |
| Waptus Pass | Kittitas, WA | 49.8 miles | SE |
| Dandy Pass | Kittitas, WA | 49.9 miles | SE |
| Deception Pass | King, WA | 50.2 miles | SE |
| Gray Wolf Pass | Jefferson, WA | 50.4 miles | NW |
| Wards Pass | Snohomish, WA | 50.5 miles | NE |
| Dishpan Gap | Snohomish, WA | 50.8 miles | NE |
| Cougar Gap | Skagit, WA | 50.8 miles | NW |
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