How far is Garrison, MD from Gaithersburg, MD?
The driving distance from Garrison, MD to Gaithersburg, MD is about 45.9 miles (73.8 km), with a travel time of about 00h 52m by car.
- The straight-line flight distance is about 29.8 miles (47.9 km).
- For a round trip, plan for roughly 01h 45m 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 00h 52m.
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.
Census-designated place in Howard County, Maryland, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Garrison and Gaithersburg.
Turn-by-Turn Driving Directions
Step-by-step road directions between Garrison and Gaithersburg.
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1
Start on Kenmar Avenue
14 m · 9 sec · Kenmar Avenue
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2
Turn left onto Reisterstown Road
1.9 mi · 4 min · Reisterstown Road
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3
Take the ramp straight toward I 695 South: Glen Burnie
1754 ft · 60 sec
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4
Merge slight left onto Baltimore Beltway
5.1 mi · 7 min · Baltimore Beltway
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5
Take the exit slight right toward I 70 East, I 70 West: Local Traffic, Frederick
829 ft · 17 sec
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6
Keep slight right to continue on I 70 West: Frederick
2891 ft · 1 min
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7
Merge slight left
3.7 mi · 4 min
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8
Take the exit slight left toward US 29 South: Columbia, Washington, Ellicott City
1.3 km · 2 min
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9
Merge slight right onto Columbia Pike
16.4 mi · 21 min · Columbia Pike
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10
Take the exit slight right toward MD 200 Toll
562 ft · 14 sec
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11
Keep slight right to continue on MD 200 Toll West
3069 ft · 1 min
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12
Merge slight left onto Intercounty Connector
6.7 mi · 8 min · Intercounty Connector
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13
Continue on Intercounty Connector
6.2 mi · 8 min · Intercounty Connector
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14
Continue straight
2718 ft · 41 sec
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15
Take the exit slight right toward MD 355: Rockville, Gaithersburg
1906 ft · 47 sec
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16
Turn right onto Frederick Road
1160 ft · 27 sec · Frederick Road
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17
Continue on South Frederick Avenue
1.6 mi · 3 min · South Frederick Avenue
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18
Turn left
26 m · 6 sec
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19
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Garrison 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.
Columbia Pike
Merge slight right onto Columbia Pike
16.4 mi · 00h 21m
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 Garrison and Sunny near Gaithersburg.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Garrison to Gaithersburg?
The road trip is about 45.9 miles (73.8 km) and usually takes 00h 52m 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?
North Laurel is a useful midpoint, sitting about 22.6 miles from Garrison and 23.2 miles from Gaithersburg.
How much longer is the road route than the straight-line distance?
The direct path is about 29.8 miles (47.9 km), while the road route adds roughly 16.1 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 4:44 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.62 one way or $13.24 round trip. Estimated CO2 is about 14.4 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Garrison and Sunny near Gaithersburg.
Stop Ideas Near North Laurel
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City of Bowie
Riverdale Park Town Hall
Town Hall Liquor And Bar
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to North Laurel.
BWI Rail Station
New Carrollton station
Rockville station
Washington Union Station
Flight Path Map
This map shows the direct air route between Garrison and Gaithersburg. Straight-line distance: 29.75 mi (47.87 km).
#1 Garrison
Census-designated place in Baltimore County, Maryland, United States
| Population | 8,823 |
| Coordinates | 39.4059400, -76.7605300 |
| Altitude | 135 |
| 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: 74 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 31m |
| 40 mph (64.37 km/h) | 01h 08m |
| 50 mph (80.47 km/h) | 00h 55m |
| 60 mph (96.56 km/h) | 00h 45m |
| 70 mph (112.65 km/h) | 00h 39m |
| 80 mph (129 km/h) | 00h 34m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $6.62 | $13.24 |
| Mid-grade | $4.60 | $7.45 | $14.90 |
| Premium | $4.95 | $8.03 | $16.05 |
| Diesel | $5.98 | $9.69 | $19.38 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.