Glenwood Springs to Bismarck Road Trip Guide

The drive from Glenwood Springs, Colorado to Bismarck, North Dakota spans roughly 1,100 miles (1,770 km) along Interstates 70, 76, and 94. The route cuts through four states—Colorado, Wyoming, Nebraska, and South Dakota—before reaching the Missouri River capital. A little-known fact: the Wyoming portion follows the old Overland Trail, a 19th-century stagecoach route that carried pioneers to the Oregon Territory. This modern highway echoes that westward expansion but now offers air-conditioned comfort and quick-service restaurants.

This guide answers the questions: how to find the best stops and hidden gems between cities, how long to drive Glenwood Springs, CO to Bismarck, ND, and whether it is worth driving. Expect 16-18 hours of pure driving time, best split over three days with overnight stops in Cheyenne, WY and Mitchell, SD, or Chamberlain, SD. The journey offers surprising diversity: from Rocky Mountain peaks to the silent wind-swept plains of the Nebraska Sandhills, then the sculpted Badlands before the flat farmlands of the Dakotas.

Fuel prices vary dramatically. As of 2025, expect $3.50-$4.00/gallon in Colorado, dropping to $3.00-$3.50 in Wyoming and South Dakota, then rising slightly in North Dakota. Budget about $150-180 for gasoline for the entire trip in a typical sedan. Diesel vehicles will see similar costs but slightly better mileage on the flat stretches.

• Major highway interchanges: I-70 east to Denver, I-76 north to I-80 west, then I-80 east to I-25 north (Cheyenne), I-25 north to I-90 east (Buffalo, WY), I-90 east through South Dakota, then I-94 east to Bismarck.
• Toll roads: None on this route, but the Denver metro area has express lanes that require a toll pass (avoid them by staying on I-76).
• Best fuel stops: Rawlins, WY (exit 211) for low prices; Wall, SD (exit 110) for convenience before Badlands; and Jamestown, ND (exit 258) for final fill-up.

Road surface quality is excellent for 90% of the route. The worst patches are west of Cheyenne on I-80 where frost heaves create rough sections, and from the Colorado border to Laramie where wind can blow sand onto the highway. Snow is possible from October to April—check weather for I-80 Summit (8,640 ft) east of Laramie.

Speed limits vary: 75 mph in Colorado and Nebraska, 80 mph in Wyoming and South Dakota, and 75 mph in North Dakota. But reduce speed in construction zones (common in summer) and during high winds. The I-80 crossing of the Continental Divide east of Rawlins is notorious for crosswinds that topple empty semis. Plan alternate routes via I-25 if gust warnings exceed 50 mph.

• Rest zones every 30-50 miles: All rest areas have vending machines and picnic tables. Notable rest stops: Table Rock (WY, mile 367) with pioneer history; and the Chamberlain SD Rest Area on the Missouri River overlook.
• Family-friendly stops: The Children's Museum of Denver (off I-70 exit 270B); Wall Drug (Wall, SD) with free water and a 5-cent coffee; and the Dakota Zoo (Bismarck, exit 156).
• Pet-friendly framework: Most hotels along the route allow pets for a fee ($25-50). Recommended pet stops: The Pawnee National Grassland (CO) for safe off-leash romps; and the Badlands National Park (dogs allowed on leash).

Hidden off-route spots: The Oregon Trail Ruts near Guernsey, WY (5 miles south of I-25 exit 92) preserve wagon wheel grooves carved into sandstone. The Carhenge monument in Alliance, NE (70 miles north of I-80) is a stonehenge replica made of vintage cars. And the Enchanted Highway from Regent to Gladstone, ND (30 miles south of I-94) features colossal scrap-metal sculptures.

The route passes through five distinct ecoregions. First, the Rocky Mountains from Glenwood Springs to Denver, with dramatic red rock canyons and aspen groves. Then the High Plains of Wyoming and Nebraska—endless, treeless, and hypnotic. The Nebraska Sandhills near Ogallala are a surprise: grass-stabilized dunes that host the world's largest hand-planted forest (the Bessey Ranger District). South Dakota brings the Black Hills (a detour to Mount Rushmore is 40 miles south of I-90) and the Badlands, a 244,000-acre park of eroded buttes and prairies. Finally, the Drift Prairie of North Dakota, dotted with glacial lakes and the Missouri River breaks.

• Best stops: Scotts Bluff National Monument (Gering, NE) – a pioneer landmark; the Corn Palace (Mitchell, SD) – a quirky homage to agriculture; and Fort Abraham Lincoln (Mandan, ND) – a reconstructed cavalry post.
• Local commerce highlights: The Buffalo Chip Camp Store (Sturgis, SD) for biker memorabilia; the Swedish gift shops in Lindsborg, KS (detour); and the many “free coffee for truckers” casinos in Wyoming.

UNESCO World Heritage Sites near the route: None directly on the highway, but a 90-minute detour from I-90 in South Dakota leads to the Wounded Knee Massacre site, part of the proposed “Ancient Native American Plains” UNESCO tentative listing. Also, the Route 66 Museum in Clinton, OK is far off—skip it.