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Trip from Glenmont, 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

22m

Distance

14 mi

22 km

Drive Score

6/10

Good drive

Same Day?

Yes, doable

Fuel Cost

$2

one way

EV Charging

Unknown

Best Time to Leave

Save up to 6 min
4 AM
0h 20m ★
6 AM
0h 22m
8 AM
0h 26m
10 AM
0h 24m
12 PM
0h 23m
3 PM
0h 24m
5 PM
0h 26m
8 PM
0h 21m

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

Downtown Glenmont, MD, MD

Glenmont, MD

RDNE Stock project

Downtown Gaithersburg, MD, MD

Gaithersburg, MD

Kristopher Hines

Trip Overview

The drive from Glenmont, MD to Gaithersburg, MD covers 14 miles and takes about 22m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.

The route leans on Intercounty Connector, Layhill Road, South Frederick Avenue for much of the mileage, and the overall profile is turn-heavy local drive. The longest uninterrupted segment is about 7.7 miles on Intercounty Connector. At current regular gas prices, budget about $2.32 one way before food or hotel costs.

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 22m. Total distance: 14 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

22m 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 22m drive with frequent turns across 14 miles of local and secondary roads.

This route has more turning and local-road decision points than a simple highway run.
There are about 16 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Intercounty Connector is the longest continuous segment at about 7.7 miles.

How Hard Is This Drive?

Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. You will hit about 8 points where you need to pay attention to lane position or signs. The trickiest moment comes around 0.1 miles in.

Driving Effort 6/10

Moderate - straightforward overall, but long enough or busy enough to require pacing

Balances navigation complexity with total wheel time.

This drive requires moderate attention. Across 14 miles you will encounter 8 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 0.1 miles: Highway fork - watch signs carefully; at 0.3 miles (Glenallan Avenue): Navigation decision point; at 0.7 miles (MD 182 / Layhill Road): Navigation decision point.

Critical Maneuvers

5 of 8 key points

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

5
0.1 mi into trip | ~0m in

Keep slight left at fork

Highway fork - watch signs carefully

4
0.3 mi into trip | ~0m in | Glenallan Avenue

Turn left onto Glenallan Avenue

Navigation decision point

4
0.7 mi into trip | ~1m in | MD 182 / Layhill Road

Turn right onto MD 182 / Layhill Road

Navigation decision point

7
3.3 mi into trip | ~7m in

Turn left toward MD 200 Toll West

Lane positioning matters here

Use the left lane. Toward MD 200 Toll West
8
11.8 mi into trip | ~17m 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

Main Roads

Road Distance Duration
Intercounty Connector 7.7 mi 9m
Layhill Road 2.7 mi 5m
South Frederick Avenue 1.6 mi 3m
I 370 0.5 mi <1m
Glenallan Avenue 0.3 mi <1m
Frederick Road 0.2 mi <1m
Randolph Road 0.2 mi <1m
Longest stretch: Intercounty Connector — 7.7 mi, about 9m

Turn-by-Turn Driving Directions

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

1

Start on this road

200 ft · 7 sec · this road
2

Continue on this road

230 ft · 8 sec · this road
3

Keep slight left at fork

285 ft · 12 sec
4

Turn straight onto Randolph Road

0.2 mi · 24 sec · Randolph Road
5

Turn left onto Glenallan Avenue

0.3 mi · 57 sec · Glenallan Avenue
6

Turn right onto MD 182

0.2 mi · 23 sec · Layhill Road
7

Keep slight left at fork onto MD 182

2.5 mi · 4 min · Layhill Road
8

Turn left

0.3 mi · 38 sec
Toward MD 200 Toll West Use the left lane.
9

Merge onto MD 200 Toll

1.4 mi · 1 min · Intercounty Connector
10

Continue on MD 200 Toll

6.2 mi · 7 min · Intercounty Connector
Exit 8A
11

Continue on I 370

0.5 mi · 41 sec · I 370
12

Take the exit

0.4 mi · 46 sec
Exit 2 Toward MD 355: Rockville, Gaithersburg Use the slight right lane.
13

Turn right onto MD 355

0.2 mi · 27 sec · Frederick Road
14

Continue on MD 355

1.6 mi · 3 min · South Frederick Avenue
15

Turn left

85 ft · 6 sec
16

Arrive at destination

Fuel & Cost

Regular Gas

$2.32 one way

$4.64 round trip

$4.21/gal 25.4 MPG avg 5 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.61 $2.54 $5.08
premium $4.93 $2.72 $5.43
diesel $5.61 $3.09 $6.18

No toll roads detected on this route.

Drive Cost (one way)

Fuel

$2

Estimated CO2 emission: 4.9 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $1 in charging · 0 stops · 60% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 4.2 0 $1.47 $0.67
Efficient EV 3.5 0 $1.22 $0.56
EV Truck/SUV 5.6 0 $1.96 $0.90

Gas CO2

5 kg

EV CO2

2 kg (60% 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 16, 2026

Origin

Glenmont, MD

Morning in Glenmont on Friday

Local time

10:03 AM

EDT

Current temp

74°F

Unavailable

Live forecast

Destination

Gaithersburg, MD

Morning in Gaithersburg on Friday

Local time

10:03 AM

EDT

Current temp

92°F

Mostly Sunny

SW 13 mph 3% chance 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

18 degrees warmer at arrival

A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.

Road read

22m on the road

The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.

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

Frequently Asked Questions

The drive from Glenmont, MD to Gaithersburg, MD covers 14 miles and takes about 22m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.

The main roads are Intercounty Connector, Layhill Road, South Frederick Avenue. Expect a mix of highway and local road driving.

This is a comfortable same-day trip.

The midpoint is about 7 miles from Glenmont, MD. Look for rest areas, gas stations, or food options near the halfway mark.

At current regular gas prices, expect to spend about $2.32 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 14 miles you will encounter 8 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 0.1 miles: Highway fork - watch signs carefully; at 0.3 miles (Glenallan Avenue): Navigation decision point; at 0.7 miles (MD 182 / Layhill Road): Navigation decision point.

The route from Glenmont, MD to Gaithersburg, MD does not surface many named destination signs beyond the main corridor.

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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Explore More

Return Trip

Gaithersburg, MD to Glenmont, MD

Plan the drive back the other way.

11.2 mi 22m

Explore more options from Glenmont, MD or browse trips ending in Gaithersburg, MD.

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