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Trip from Brentwood, MD to Rockville, MD

Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards

Drive Time

33m

Distance

19 mi

31 km

Drive Score

7/10

Good drive

Same Day?

Yes, doable

Fuel Cost

$3

one way

EV Charging

Unknown

Best Time to Leave

Save up to 8 min
4 AM
0h 31m ★
6 AM
0h 33m
8 AM
0h 39m
10 AM
0h 35m
12 PM
0h 35m
3 PM
0h 36m
5 PM
0h 39m
8 PM
0h 32m

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

Best Time Drive vs Fly
Google Maps Waze Apple Maps
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Downtown Brentwood, MD, MD

Brentwood, MD

RDNE Stock project

Downtown Rockville, MD, MD

Rockville, MD

Jonathan Borba

Trip Overview

This straightforward 19-mile drive from Brentwood, MD, to Rockville, MD, is designed for a single day, taking approximately 33 minutes. You'll primarily navigate the Capital Beltway and I-270, with a short stint on University Boulevard East. With a modest fuel cost estimated at $3, this trip is an economical choice for a quick journey. The route is characterized by frequent turns, making it a more engaging local drive rather than a long-haul interstate experience. Both your origin and destination are within the Northeast region, keeping you within familiar territory.

Main Roads

Road Distance Duration
Capital Beltway 6 mi 7m
I 270 5.4 mi 7m
University Boulevard East 2.7 mi 6m
Ager Road 1.2 mi 2m
Riggs Road 0.8 mi 1m
38th Street 0.7 mi 2m
Hamilton Street 0.7 mi 1m
Great Falls Road 0.7 mi 1m
Longest stretch: Capital Beltway — 6 mi, about 7m

Turn-by-Turn Driving Directions

Step-by-step road directions between Brentwood, MD and Rockville, MD.

1

Start on MD 208

0.7 mi · 2 min · 38th Street
2

Turn left onto MD 208

0.7 mi · 1 min · Hamilton Street
3

Turn right onto Ager Road

1.2 mi · 2 min · Ager Road
4

Turn straight onto MD 410

0.1 mi · 15 sec · East-West Highway
5

Turn right onto MD 212

0.8 mi · 1 min · Riggs Road
6

Turn left onto MD 193

2.7 mi · 6 min · University Boulevard East
Use the left lane.
7

Take the ramp

0.2 mi · 21 sec
Toward I 495 West: Northern Virginia Use the straight / right lanes.
8

Merge onto I 495

6.0 mi · 7 min · Capital Beltway
Use the straight / slight right lanes.
9

Keep slight right at fork onto I 270

3.6 mi · 4 min · I 270
Exit 35 Toward I 270 North: Frederick Use the straight / slight right lanes.
10

Keep slight right at fork onto I 270

1.8 mi · 2 min · I 270
Toward I 270 North Use the slight right lane.
11

Take the exit

0.1 mi · 18 sec
Exit 5 Toward MD 189: Falls Road Use the straight / slight right lanes.
12

Keep slight right at fork

0.1 mi · 13 sec
Toward MD 189 North: Falls Road, Rockville, Town Center Use the slight left / slight right lanes.
13

Turn straight onto MD 189

432 ft · 20 sec · Falls Road
14

Turn left onto Great Falls Road

0.7 mi · 1 min · Great Falls Road
15

Continue on West Montgomery Avenue

0.2 mi · 37 sec · West Montgomery Avenue
Use the left / straight / right lanes.
16

Turn right onto South Washington Street

63 ft · 1 sec · South Washington Street
Use the straight / right lanes.
17

Arrive at destination

South Washington Street

Heads-up: tricky spots

5 of 12

5 decision points cluster between mile 12.4 and 18.9 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.

8
12.4 mi into trip | ~22m in | I 270

Keep slight right at fork onto I 270 toward I 270 North: Frederick

Highway fork - watch signs carefully. Lane positioning matters here

Use the straight / slight right lanes. Exit 35 Toward I 270 North: Frederick
7
15.9 mi into trip | ~27m in | I 270

Keep slight right at fork onto I 270 toward I 270 North

Highway fork - watch signs carefully. Lane positioning matters here

Use the slight right lane. Toward I 270 North
7
17.7 mi into trip | ~30m in

Take the exit toward MD 189: Falls Road

Exit ramp - move to the correct lane early. Lane positioning matters here

Use the straight / slight right lanes. Exit 5 Toward MD 189: Falls Road
9
17.9 mi into trip | ~30m in

Keep slight right at fork toward MD 189 North: Falls Road, Rockville, Town Center

Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one

Use the slight left / slight right lanes. Toward MD 189 North: Falls Road, Rockville, Tow...
6
18.9 mi into trip | ~33m in | South Washington Street

Turn right onto South Washington Street

Lane positioning matters here

Use the straight / right lanes.

Fuel & Cost

Regular Gas

$3.15 one way

$6.30 round trip

$4.21/gal 25.4 MPG avg 7 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.61 $3.45 $6.90
premium $4.93 $3.68 $7.37
diesel $5.61 $4.19 $8.39

No toll roads detected on this route.

Drive Cost (one way)

Fuel

$3

Estimated CO2 emission: 6.6 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $2 in charging · 0 stops · 71% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 5.7 0 $1.99 $0.91
Efficient EV 4.8 0 $1.66 $0.76
EV Truck/SUV 7.6 0 $2.66 $1.22

Gas CO2

7 kg

EV CO2

2 kg (71% 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

Brentwood, MD

Morning in Brentwood on Sunday

Local time

10:22 AM

EDT

Current temp

78°F

Unavailable

Live forecast

Destination

Rockville, MD

Morning in Rockville on Sunday

Local time

10:22 AM

EDT

Current temp

77°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

1 degrees cooler at arrival

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

Road read

33m 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.

What kind of drive is this?

Expect a 'turn-heavy local drive' for this 19-mile trip, with only 28% of the journey on highways. The longest uninterrupted stretch you'll encounter is 6 miles on the Capital Beltway, offering a brief period of consistent speed before you transition back to more localized roads. The route involves navigating a mix of faster highway sections with more frequent intersections and traffic lights as you approach your destination. This dynamic suggests a driving experience that requires attention to navigation and traffic conditions.

Only 28% highway — the rest is turn-by-turn surface driving.
17 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 6 mi on Capital Beltway.

How Hard Is This Drive?

9/10

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 12.4 miles in near I 270.

Driving Effort 9/10

Focused - lots of decisions in a short distance, but it is over quickly

Balances navigation complexity with total wheel time.

This is a short but busy drive. With 12 decision points packed into just 19 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 33m.

Where does it get tricky?

The main spots that need attention: at 12.4 miles (I 270): Highway fork - watch signs carefully. Lane positioning matters here; at 15.9 miles (I 270): Highway fork - watch signs carefully. Lane positioning matters here; at 17.7 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.

Towns Mentioned on Route Signs

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

On the drive from Brentwood, MD to Rockville, MD, road signs begin pointing toward Town Center along the way.

Town Center

17.9 mi in | ~30m

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 33m. Total distance: 19 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

33m drive, comfortable solo distance.

EV Driver

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

Scenic Drive

Mostly surface roads route profile with national parks nearby.

Frequently Asked Questions

The longest stretch is about 6 miles on Capital Beltway. The full list of main roads is in the Roads section above.

It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Rockville, MD before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.

Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.

The main spots that need attention: at 12.4 miles (I 270): Highway fork - watch signs carefully. Lane positioning matters here; at 15.9 miles (I 270): Highway fork - watch signs carefully. Lane positioning matters here; at 17.7 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.

Yes — Chesapeake & Ohio Canal National Historical Park, Potomac Heritage National Scenic Trail and Monocacy National Battlefield. See the National Parks section for detour distances and tips on detours.

Yes. A round trip is manageable in a single day if you plan a break at Rockville, MD before heading back.

How this page is built

Compiled by the US Trip Planner 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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