Marietta, OH to Manassas, VA: Ultimate Road Trip Guide

This route traces the historic National Road (US-40) and later I-68, crossing the Appalachian Mountains from the Ohio River Valley to the Piedmont region. The drive covers approximately 380 miles, taking about 6.5 hours without stops.

Along the way, you'll traverse the old border between the Union and Confederacy, passing through towns like Morgantown, WV, and Cumberland, MD, before reaching Manassas, site of two major Civil War battles.

Road conditions on I-68 and I-81 are generally excellent, with well-maintained pavement and clear signage. Mountain sections may have fog in mornings; use low beams.

• Speed limits: 70 mph on interstates; 55 mph on US-50 in WV.
• Cell coverage: Interstates have strong signal; rural US-50 may have dead zones.
• Emergency services: Call 911; roadside assistance via AAA or insurance.

Family-friendly stops include the Discovery Center at Sideling Hill, with interactive geology exhibits, and the Children's Museum of the Ridge in Cumberland.

For pets, many rest areas have designated pet relief areas. The Paw Paw Tunnel (WV) allows leashed dogs on the towpath.

To combat fatigue, stop every 2 hours or 100 miles. Use rest areas or local parks like Cacapon State Park (WV) for a short walk.

The drive offers a transition from the Appalachian Plateau to the Ridge-and-Valley Appalachians. I-68 features dramatic cuts through mountains like Sideling Hill, a notable rock exposure.

• Sideling Hill (Hancock, MD): A 1,700-foot-long road cut revealing folded sedimentary layers.
• Coopers Rock State Forest (WV): Overlook views of the Cheat River Gorge, just off I-68.
• Harper's Ferry National Historical Park (WV): Confluence of Potomac and Shenandoah rivers, a short detour from I-81.

Local commerce thrives in towns like Morgantown (WV), home to West Virginia University, offering craft breweries and farm-to-table dining. In Cumberland, MD, the Western Maryland Scenic Railroad operates historic trains.

Antique shops and apple orchards dot US-50 in Maryland; a worthwhile stop is the Bowman Orchards in Dickerson, MD, for fresh cider and donuts.

From Marietta, head south on OH-7 to I-77 south, then take I-77 north after a few miles toward Parkersburg. Merge onto US-50 east at Clarksburg, WV, then follow I-68 east to Hancock, MD, then I-70 and I-81 south to Manassas.

• Fuel stops: Every 30-40 miles along interstates; gas prices lower in WV than in VA.
• Tolls: I-68 and I-81 are toll-free; US-50 has no tolls.
• Rest areas: Numerous along I-68, including Sideling Hill Rest Area with scenic views.

The total driving time is about 6.5 hours, but plan for 8-9 hours with breaks. Traffic near Manassas can be heavy during rush hours; avoid arriving between 4-7 PM.

For help finding stops, check out how to find the best stops and hidden gems between cities.