How far is Williamsport, MD from Gwynn Oak, MD?
The driving distance from Williamsport, MD to Gwynn Oak, MD is about 72.9 miles (117.4 km), with a travel time of about 01h 13m by car.
- The straight-line flight distance is about 62.9 miles (101.3 km).
- For a round trip, plan for roughly 02h 27m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 01h 13m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Town in Frederick County, Maryland, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Rain Showers
Driving Route Map
The map below follows the saved road route between Williamsport and Gwynn Oak.
Turn-by-Turn Driving Directions
Step-by-step road directions between Williamsport and Gwynn Oak.
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1
Start on East Potomac Street
1.6 km · 2 min · East Potomac Street
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2
Take the ramp slight right toward I 81 North
2110 ft · 52 sec
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3
Merge slight left onto Maryland Veterans Memorial Highway
1.3 km · 57 sec · Maryland Veterans Memorial Highway
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4
Take the exit slight right toward I 70 East, I 70 West: Frederick, Hancock
1321 ft · 32 sec
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5
Keep slight right to continue on I 70 East: Frederick
2349 ft · 57 sec
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6
Merge slight left onto Dwight D Eisenhower Highway
49.4 mi · 53 min · Dwight D Eisenhower Highway
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7
Continue straight
6.5 mi · 7 min
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8
Keep slight left to continue on Baltimore
11.4 mi · 13 min
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9
Take the exit slight right toward Security Boulevard
1469 ft · 36 sec
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10
Turn straight onto Security Boulevard
916 ft · 22 sec · Security Boulevard
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11
Turn right onto North Forest Park Avenue
1.4 mi · 4 min · North Forest Park Avenue
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12
Turn slight left onto Hillsdale Road
1.5 km · 3 min · Hillsdale Road
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13
Turn right onto Haddon Avenue
54 m · 11 sec · Haddon Avenue
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14
Turn left
18 m · 4 sec
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15
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Williamsport and Gwynn Oak.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Dwight D Eisenhower Highway
Merge slight left onto Dwight D Eisenhower Highway
49.4 mi · 00h 53m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Chance Rain Showers leaving Williamsport and Rain Showers near Gwynn Oak.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Williamsport to Gwynn Oak?
The road trip is about 72.9 miles (117.4 km) and usually takes 01h 13m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
New Market is a useful midpoint, sitting about 36.5 miles from Williamsport and 36.5 miles from Gwynn Oak.
How much longer is the road route than the straight-line distance?
The direct path is about 62.9 miles (101.3 km), while the road route adds roughly 10 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 4:02 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.54 one way or $21.08 round trip. Estimated CO2 is about 22.9 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Williamsport and Rain Showers near Gwynn Oak.
Stop Ideas Near New Market
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to New Market.
Frederick Airport, MD
Frederick, MD
Rockville station
Harpers Ferry
Flight Path Map
This map shows the direct air route between Williamsport and Gwynn Oak. Straight-line distance: 62.94 mi (101.3 km).
#1 Williamsport
Town of the United States
| Population | 2,074 |
| Coordinates | 39.6006500, -77.8205500 |
| Altitude | 124 |
| Country | United States |
#2 Gwynn Oak
A census-designated place in Baltimore County, Maryland.
| Population | 47,092 |
| Coordinates | 39.3326100, -76.6927500 |
| Altitude | 130 |
| Country | United States |
End: (-76.692724, 39.332601)
Estimated Travel Time
Distance: 117 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 25m |
| 40 mph (64.37 km/h) | 01h 49m |
| 50 mph (80.47 km/h) | 01h 27m |
| 60 mph (96.56 km/h) | 01h 12m |
| 70 mph (112.65 km/h) | 01h 02m |
| 80 mph (129 km/h) | 00h 54m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $10.54 | $21.08 |
| Mid-grade | $4.60 | $11.87 | $23.73 |
| Premium | $4.95 | $12.78 | $25.56 |
| Diesel | $5.98 | $15.43 | $30.86 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Maryland · Apr 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.