- Take I-270 N from Washington, DC toward Frederick.
- Merge onto I-70 W toward Hancock, MD.
- Keep following I-70 W to Cumberland, MD.
- Take I-68 W to Morgantown, WV.
- Merge onto I-79 S to Weston, WV.
- Take US-33 W to Parkersburg, WV.
- Take I-77 N to Marietta, OH.
- Merge onto I-70 W and continue to Columbus, OH.
- Take I-71 N to Cleveland, OH.
- Merge onto I-90 W and follow it all the way to Sioux Falls, SD.
- Take I-29 N to Fargo, ND.
- Merge onto I-94 W and follow it all the way to Billings, MT.
- Take I-90 W to Livingston, MT.
- Take US-191 S to West Yellowstone, MT.
Option 2: Driving via I-70 and I-76 (approx. 28 hours, scenic) - 2,500 miles
- Take I-270 N from Washington, DC toward Frederick.
- Merge onto I-70 W toward Hancock, MD.
- Keep following I-70 W to Wheeling, WV.
- Take I-470 W to I-79 S toward Pittsburgh, PA.
- Merge onto I-76 W and follow it all the way to Denver, CO.
- Take I-70 W to Vail, CO.
- Merge onto US-40 W toward Steamboat Springs, CO.
- Take US-131 N toward Craig, CO.
- Take CO-13 W to Baggs, WY.
- Take US-191 N to Rock Springs, WY.
- Merge onto I-80 W and follow it to Evanston, WY.
- Take US-189 N to Jackson Hole, WY.
- Take US-191 N to West Yellowstone, MT.
Note:
- Driving times are approximate and may vary depending on weather, traffic, and road conditions.
- Please make sure to plan for sufficient rest stops and breaks throughout your journey.