How far is Thurmont, MD from Gwynn Oak, MD?
The driving distance from Thurmont, MD to Gwynn Oak, MD is about 61.2 miles (98.5 km), with a travel time of about 01h 03m by car.
- The straight-line flight distance is about 43.2 miles (69.6 km).
- For a round trip, plan for roughly 02h 06m 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 03m.
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.
City in Surry County, North Carolina, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Thurmont and Gwynn Oak.
Turn-by-Turn Driving Directions
Step-by-step road directions between Thurmont and Gwynn Oak.
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1
Start on East Main Street
1.5 km · 1 min · East Main Street
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2
Keep slight right to continue on Jimtown Road
1.3 mi · 2 min · Jimtown Road
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3
Turn left onto Creagerstown Road
3.4 mi · 5 min · Creagerstown Road
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4
Continue on Woodsboro Creagerstown Road
2.6 mi · 4 min · Woodsboro Creagerstown Road
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5
At the end of the road, turn left onto Woodsboro Pike
13 m · 1 sec · Woodsboro Pike
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6
Continue on Woodsboro Pike
2925 ft · 1 min · Woodsboro Pike
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7
Turn left onto Woodsboro Road
5 mi · 7 min · Woodsboro Road
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8
Turn left onto Main Street
1753 ft · 34 sec · Main Street
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9
Turn right onto Walnut Street
890 ft · 18 sec · Walnut Street
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10
Continue on Green Valley Road
7.4 mi · 11 min · Green Valley Road
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11
Turn left onto I 70 East
2061 ft · 52 sec
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12
Merge slight left
12.8 mi · 14 min
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13
Continue straight
6.5 mi · 7 min
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14
Keep slight left to continue on Baltimore
11.4 mi · 13 min
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15
Take the exit slight right toward Security Boulevard
1469 ft · 36 sec
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16
Turn straight onto Security Boulevard
916 ft · 22 sec · Security Boulevard
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17
Turn right onto North Forest Park Avenue
1.4 mi · 4 min · North Forest Park Avenue
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18
Turn slight left onto Hillsdale Road
1.5 km · 3 min · Hillsdale Road
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19
Turn right onto Haddon Avenue
54 m · 11 sec · Haddon Avenue
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20
Turn left
18 m · 4 sec
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21
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Thurmont and Gwynn Oak.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
I 70 East
Merge slight left
12.8 mi · 00h 14m
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.
Sunny leaving Thurmont and Sunny near Gwynn Oak.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Thurmont to Gwynn Oak?
The road trip is about 61.2 miles (98.5 km) and usually takes 01h 03m 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?
Mount Airy is a useful midpoint, sitting about 27.8 miles from Thurmont and 33.4 miles from Gwynn Oak.
How much longer is the road route than the straight-line distance?
The direct path is about 43.2 miles (69.6 km), while the road route adds roughly 18 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 4:24 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $8.83 one way or $17.65 round trip. Estimated CO2 is about 19.2 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Thurmont and Sunny near Gwynn Oak.
Stop Ideas Near Mount Airy
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 Mount Airy.
Frederick Airport, MD
Frederick, MD
Rockville station
BWI Rail Station
Flight Path Map
This map shows the direct air route between Thurmont and Gwynn Oak. Straight-line distance: 43.25 mi (69.61 km).
#1 Thurmont
Town in Frederick County, Maryland, United States
| Population | 7,070 |
| Coordinates | 39.6237100, -77.4108200 |
| Altitude | 158 |
| 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: 99 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 02m |
| 40 mph (64.37 km/h) | 01h 31m |
| 50 mph (80.47 km/h) | 01h 13m |
| 60 mph (96.56 km/h) | 01h 01m |
| 70 mph (112.65 km/h) | 00h 52m |
| 80 mph (129 km/h) | 00h 45m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $8.83 | $17.65 |
| Mid-grade | $4.60 | $9.93 | $19.87 |
| Premium | $4.95 | $10.70 | $21.40 |
| Diesel | $5.98 | $12.92 | $25.83 |
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 · May 12, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.