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Trip from Garrison, MD to Gaithersburg, MD

Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 17, 2026 · Editorial standards

Drive Time

1h 3m

Distance

45.3 mi

73 km

Drive Score

6/10

Good drive

Same Day?

Yes, doable

Fuel Cost

$8

one way

EV Charging

Unknown

Best Time to Leave

Save up to 15 min
4 AM
0h 58m ★
6 AM
1h 3m
8 AM
1h 13m
10 AM
1h 7m
12 PM
1h 6m
3 PM
1h 7m
5 PM
1h 13m
8 PM
1h 0m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

census-designated place in Baltimore County, Maryland, United States

Garrison, MD

Wikimedia Commons

Downtown Gaithersburg, MD, MD

Gaithersburg, MD

Kristopher Hines

Trip Overview

This 45.3-mile drive from Garrison to Gaithersburg, Maryland, is a straightforward, single-day trip taking about 1 hour and 3 minutes. Primarily using Columbia Pike, the Intercounty Connector, and the Baltimore Beltway, it offers a practical way to travel between these two Northeast region locations. With an estimated fuel cost of $8, this route is budget-friendly for a quick excursion. The drive is best suited for a single day, with no need for an overnight stop. Its turn-heavy local drive profile means you'll be navigating city streets and connecting roads for much of the journey.

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 1h 3m. Total distance: 45.3 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

1h 3m drive, comfortable solo distance.

EV Driver

0 DC fast chargers along the route. Coverage: unknown.

Scenic Drive

Turn-heavy local drive route profile with national parks nearby.

Drive Character

Expect a turn-heavy local drive for this 45.3-mile journey, with only a 9% highway share. The longest uninterrupted stretch you'll encounter is 16.4 miles on Columbia Pike, offering a brief period of more consistent travel before transitioning back to more complex road networks. While not a fast-paced highway cruise, this route provides a good mix of navigating local roads and utilizing major arteries like the Baltimore Beltway. The road character will likely shift as you progress, moving from more suburban stretches to areas with more frequent intersections and traffic signals.

This route has more turning and local-road decision points than a simple highway run.
There are about 19 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Columbia Pike is the longest continuous segment at about 16.4 miles.

How Hard Is This Drive?

Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 7.3 miles in.

Driving Effort 10/10

Demanding - stay alert through the decision-heavy sections

Balances navigation complexity with total wheel time.

This drive requires moderate attention. Across 45.3 miles you will encounter 13 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.

Where does it get tricky?

The main spots that need attention: at 7.3 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 7.5 miles: Highway fork - watch signs carefully. Lane positioning matters here; at 11.7 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.

Critical Maneuvers

5 of 13 key points

These are the spots where you need to pay the most attention. Preview them before you drive.

8
7.3 mi into trip | ~12m in

Take the exit toward I 70 East, I 70 West: Local Traffic, Frederick

Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one

Use the straight / slight right lanes. Exit 16A; 16B Toward I 70 East, I 70 West: Local Traffic, Fre...
8
7.5 mi into trip | ~12m in

Keep slight right at fork toward I 70 West: Frederick

Highway fork - watch signs carefully. Lane positioning matters here

Use the slight left / slight right lanes. Exit 16A Toward I 70 West: Frederick
8
11.7 mi into trip | ~17m in

Take the exit toward US 29 South: Columbia, Washington, Ellicott City

Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one

Use the slight left lane. Exit 87A Toward US 29 South: Columbia, Washington, Ellic...
7
29.1 mi into trip | ~40m in

Keep slight right at fork toward MD 200 Toll West

Highway fork - watch signs carefully. Lane positioning matters here

Use the slight right lane. Toward MD 200 Toll West
8
43.1 mi into trip | ~58m in

Take the exit toward MD 355: Rockville, Gaithersburg

Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one

Use the slight right lane. Exit 2 Toward MD 355: Rockville, Gaithersburg

Towns Mentioned on Route Signs

Based on OSRM destination-sign hints, not a full list of every settlement the road passes.

Between Garrison, MD and Gaithersburg, MD, road signs point toward Frederick, Washington and Ellicott City.

Frederick

7.3 mi in | ~12m

Washington

11.7 mi in | ~17m

Ellicott City

11.7 mi in | ~17m

Main Roads

Road Distance Duration
Columbia Pike 16.4 mi 21m
Intercounty Connector 13 mi 16m
Baltimore Beltway 5.1 mi 6m
I 70 3.7 mi 3m
Reisterstown Road 1.9 mi 3m
South Frederick Avenue 1.6 mi 3m
I 370 0.5 mi <1m
Frederick Road 0.2 mi <1m
Longest stretch: Columbia Pike — 16.4 mi, about 21m

Turn-by-Turn Driving Directions

Step-by-step road directions between Garrison, MD and Gaithersburg, MD.

1

Start on Kenmar Avenue

44 ft · 8 sec · Kenmar Avenue
2

Turn left onto MD 140

1.9 mi · 3 min · Reisterstown Road
Use the left lane.
3

Take the ramp

0.3 mi · 59 sec
Toward I 695 South: Glen Burnie
4

Merge onto I 695

5.1 mi · 6 min · Baltimore Beltway
Use the straight / slight right lanes.
5

Take the exit

0.2 mi · 16 sec
Exit 16A; 16B Toward I 70 East, I 70 West: Local Traffic, Frederick Use the straight / slight right lanes.
6

Keep slight right at fork

0.5 mi · 1 min
Exit 16A Toward I 70 West: Frederick Use the slight left / slight right lanes.
7

Merge onto I 70

3.7 mi · 3 min · I 70
8

Take the exit

0.8 mi · 1 min
Exit 87A Toward US 29 South: Columbia, Washington, Ellicott City Use the slight left lane.
9

Merge onto US 29

16 mi · 21 min · Columbia Pike
Use the straight / slight right lanes.
10

Take the exit

0.1 mi · 13 sec
Toward MD 200 Toll Use the slight right lane.
11

Keep slight right at fork

0.6 mi · 1 min
Toward MD 200 Toll West Use the slight right lane.
12

Merge onto MD 200 Toll

6.7 mi · 8 min · Intercounty Connector
13

Continue on MD 200 Toll

6.2 mi · 7 min · Intercounty Connector
Exit 8A
14

Continue on I 370

0.5 mi · 41 sec · I 370
15

Take the exit

0.4 mi · 46 sec
Exit 2 Toward MD 355: Rockville, Gaithersburg Use the slight right lane.
16

Turn right onto MD 355

0.2 mi · 27 sec · Frederick Road
17

Continue on MD 355

1.6 mi · 3 min · South Frederick Avenue
18

Turn left

85 ft · 6 sec
19

Arrive at destination

Where to Stop

Rest stops, refuel points, and overnight suggestions along this route.

Halfway Point

Midpoint

About 22.6 mi from Garrison, MD · 32m into the drive

city in Prince George's County, Maryland, United States

Mid-route town

Meal stop

Laurel, MD

23 mi into the route

Best for: Lunch, fuel, and a longer reset

This sits close to the middle of the route, so it works well for the longest stop of the day.

Popular next leg

Laurel, MD to Gaithersburg, MD

23.2 mi · 32m

Pacing Suggestions

Ellicott City, MD

Fuel and coffee

A short stop after about 10 miles helps settle the day before fatigue starts building.

Laurel, MD

Meal break

The midpoint is around 22.6 miles from Garrison, MD, which is a good place for a longer meal and fuel stop.

Arriving in Gaithersburg, MD

The final approach into Gaithersburg, MD usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.

These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.

Fuel & Cost

Regular Gas

$7.51 one way

$15.02 round trip

$4.21/gal 25.4 MPG avg 16 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.61 $8.23 $16.45
premium $4.93 $8.79 $17.57
diesel $5.61 $10.00 $20.00

No toll roads detected on this route.

Drive Cost (one way)

Fuel

$8

Estimated CO2 emission: 15.8 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $5 in charging · 0 stops · 69% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 13.6 0 $4.76 $2.17
Efficient EV 11.3 0 $3.96 $1.81
EV Truck/SUV 18.1 0 $6.34 $2.90

Gas CO2

16 kg

EV CO2

5 kg (69% less)

This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.

DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.

Travel Intel

Current conditions at both ends of the drive.

Forecast as of Apr 17, 2026

Origin

Garrison, MD

Morning in Garrison on Friday

Local time

10:33 AM

EDT

Current temp

73°F

Unavailable

Live forecast

Destination

Gaithersburg, MD

Morning in Gaithersburg on Friday

Local time

10:33 AM

EDT

Current temp

73°F

Unavailable

Live forecast

Time zone

Same local time

Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.

Temperature spread

Very similar conditions

Both ends of the route are sitting at about the same temperature right now.

Road read

1h 3m on the road

Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.

Weather data from the National Weather Service. Conditions may change; check closer to your travel date.

Frequently Asked Questions

The drive from Garrison, MD to Gaithersburg, MD covers 45.3 miles and takes about 1h 3m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.

The main roads are Columbia Pike, Intercounty Connector, Baltimore Beltway. Expect a mix of highway and local road driving.

This is a comfortable same-day trip.

The midpoint is about 22.6 miles from Garrison, MD. Look for rest areas, gas stations, or food options near the halfway mark.

At current regular gas prices, expect to spend about $7.51 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.

Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.

This drive requires moderate attention. Across 45.3 miles you will encounter 13 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.

The main spots that need attention: at 7.3 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 7.5 miles: Highway fork - watch signs carefully. Lane positioning matters here; at 11.7 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.

Between Garrison, MD and Gaithersburg, MD, road signs point toward Frederick, Washington and Ellicott City.

Yes. Nearby national parks include Chesapeake & Ohio Canal National Historical Park, Potomac Heritage National Scenic Trail and Monocacy National Battlefield.

How this page is built

Compiled by the Trip.ovh planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, and NPS for national parks. See our methodology for refresh cadence and limitations.

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