How far is Brentwood, MD from Gaithersburg, MD?
The driving distance from Brentwood, MD to Gaithersburg, MD is about 27.3 miles (44 km), with a travel time of about 00h 33m by car.
- The straight-line flight distance is about 22.6 miles (36.3 km).
- For a round trip, plan for roughly 01h 07m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 33m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
Rain Showers
Rain Showers Likely
Driving Route Map
The map below follows the saved road route between Brentwood and Gaithersburg.
Turn-by-Turn Driving Directions
Step-by-step road directions between Brentwood and Gaithersburg.
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1
Start on Woodhirst Drive
786 ft · 40 sec · Woodhirst Drive
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2
Turn left onto Woodhill Way
145 m · 26 sec · Woodhill Way
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3
Turn left onto Teen Barnes Road
1697 ft · 51 sec · Teen Barnes Road
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4
Turn left onto Jefferson Pike
1.2 km · 1 min · Jefferson Pike
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5
Enter the roundabout and take exit 1 toward Mount Zion Road
5 m · 1 sec · Mount Zion Road
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6
Exit the roundabout onto Mount Zion Road
2694 ft · 59 sec · Mount Zion Road
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7
Take the ramp left toward US 15 North, US 340 East
1174 ft · 29 sec
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8
Merge slight left onto Jefferson National Pike
1.9 mi · 2 min · Jefferson National Pike
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9
Take the exit slight right toward I 70 East: Baltimore, Washington
1.1 km · 1 min
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10
Merge slight left
1525 ft · 20 sec
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11
Take the exit slight right toward I 270 South: Washington
2112 ft · 52 sec
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12
Continue on Eisenhower Memorial Highway
19.9 mi · 25 min · Eisenhower Memorial Highway
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13
Take the exit slight right toward MD 124: Montgomery Village Avenue, Quince Orchard Road
1.3 km · 2 min
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14
Keep slight left to continue on MD 124 North: Montgomery Village Avenue
39 m · 5 sec
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15
Turn left onto Quince Orchard Road
2237 ft · 45 sec · Quince Orchard Road
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16
Turn right onto North Frederick Avenue
1.4 km · 2 min · North Frederick Avenue
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17
Turn right
26 m · 6 sec
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18
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Brentwood and Gaithersburg.
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.
Eisenhower Memorial Highway
Continue on Eisenhower Memorial Highway
19.9 mi · 00h 25m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Rain Showers leaving Brentwood and Rain Showers Likely near Gaithersburg.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Brentwood to Gaithersburg?
The road trip is about 27.3 miles (44 km) and usually takes 00h 33m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Green Valley is a useful midpoint, sitting about 13.7 miles from Brentwood and 13.7 miles from Gaithersburg.
How much longer is the road route than the straight-line distance?
The direct path is about 22.6 miles (36.3 km), while the road route adds roughly 4.7 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:22 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.92 one way or $7.85 round trip. Estimated CO2 is about 8.5 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers around Brentwood and Rain Showers Likely near Gaithersburg.
Stop Ideas Near Green Valley
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Griffith Park at City Hall
Gaithersburg City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Green Valley.
Frederick Airport, MD
Frederick, MD
Rockville station
Harpers Ferry
Flight Path Map
This map shows the direct air route between Brentwood and Gaithersburg. Straight-line distance: 22.55 mi (36.29 km).
#1 Brentwood
Town in Maryland
| Population | 3,439 |
| Coordinates | 39.3792700, -77.4927600 |
| Altitude | 158 |
| Country | United States |
#2 Gaithersburg
The second most populous city in Montgomery County, Maryland.
| Population | 67,741 |
| Coordinates | 39.1434400, -77.2013700 |
| Altitude | 153 |
| Country | United States |
End: (-77.201269, 39.143361)
Estimated Travel Time
Distance: 44 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 54m |
| 40 mph (64.37 km/h) | 00h 41m |
| 50 mph (80.47 km/h) | 00h 32m |
| 60 mph (96.56 km/h) | 00h 27m |
| 70 mph (112.65 km/h) | 00h 23m |
| 80 mph (129 km/h) | 00h 20m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $3.92 | $7.85 |
| Mid-grade | $4.60 | $4.42 | $8.83 |
| Premium | $4.95 | $4.76 | $9.51 |
| Diesel | $5.98 | $5.74 | $11.48 |
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.