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Trip from Rockville, MD to Brentwood, 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

18.9 mi

30 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 34m
8 AM
0h 39m
10 AM
0h 36m
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.

Downtown Rockville, MD, MD

Rockville, MD

Jonathan Borba

Downtown Brentwood, MD, MD

Brentwood, MD

RDNE Stock project

Trip Overview

This 18.9-mile trip from Rockville, MD to Brentwood, MD is a short one, clocking in at just 33 minutes of driving time. Designed as a single-day excursion, it's a straightforward drive within the Northeast region of Maryland. You'll primarily navigate via the Capital Beltway and I-270, with a significant portion on University Boulevard East. Expect a modest fuel cost of around $3 for this journey. The overall feel is that of a turn-heavy local drive, making it perfect for a quick errand or a short hop between these two Maryland communities.

Main Roads

Road Distance Duration
Capital Beltway 5.8 mi 7m
I 270 5.3 mi 7m
University Boulevard East 2.6 mi 5m
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 0.6 mi 1m
Longest stretch: Capital Beltway — 5.8 mi, about 7m

Turn-by-Turn Driving Directions

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

1

Start on South Washington Street

63 ft · 8 sec · South Washington Street
2

Turn left onto West Montgomery Avenue

0.2 mi · 33 sec · West Montgomery Avenue
3

Continue on Great Falls Road

0.6 mi · 1 min · Great Falls Road
4

Turn right onto MD 189

432 ft · 17 sec · Falls Road
5

Continue on MD 189

471 ft · 18 sec · Falls Road
6

Take the ramp

0.3 mi · 51 sec
Toward I 270 South Use the left lane.
7

Merge onto I 270

2.6 mi · 3 min · I 270
8

Keep slight left at fork onto I 270

2.8 mi · 3 min · I 270
Toward I 270 South: Silver Spring, College Park Use the slight left / straight lanes.
9

Merge onto I 495

5.8 mi · 7 min · Capital Beltway
Use the straight / slight right lanes.
10

Take the exit

0.3 mi · 36 sec
Exit 29 Toward MD 193 East: Langley Park Use the slight right lane.
11

Turn straight onto MD 193

2.6 mi · 5 min · University Boulevard East
12

Turn right onto MD 212

0.8 mi · 1 min · Riggs Road
13

Turn left onto MD 410

0.2 mi · 28 sec · East-West Highway
Use the left lane.
14

Keep slight right at fork onto Ager Road

1.2 mi · 2 min · Ager Road
Use the left lane.
15

Turn left onto Hamilton Street

0.7 mi · 1 min · Hamilton Street
Use the left lane.
16

Turn right onto MD 208

0.7 mi · 2 min · 38th Street
17

Arrive at destination

MD 208

Heads-up: tricky spots

5 of 11

5 decision points cluster between mile 1 and 16.3 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.

5
1 mi into trip | ~2m in

Take the ramp toward I 270 South

Lane positioning matters here

Use the left lane. Toward I 270 South
8
3.9 mi into trip | ~7m in | I 270

Keep slight left at fork onto I 270 toward I 270 South: Silver Spring, College Park

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

Use the slight left / straight lanes. Toward I 270 South: Silver Spring, College Park
5
6.7 mi into trip | ~11m in | I 495 / Capital Beltway

Merge onto I 495 / Capital Beltway

Merge point - match speed before joining. Lane positioning matters here

Use the straight / slight right lanes.
7
12.5 mi into trip | ~18m in

Take the exit toward MD 193 East: Langley Park

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

Use the slight right lane. Exit 29 Toward MD 193 East: Langley Park
6
16.3 mi into trip | ~27m in | Ager Road

Keep slight right at fork onto Ager Road

Highway fork - watch signs carefully. Lane positioning matters here

Use the left lane.

Fuel & Cost

Regular Gas

$3.13 one way

$6.27 round trip

$4.21/gal 25.4 MPG avg 7 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.61 $3.43 $6.86
premium $4.93 $3.67 $7.33
diesel $5.61 $4.17 $8.35

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 $1.98 $0.91
Efficient EV 4.7 0 $1.65 $0.76
EV Truck/SUV 7.6 0 $2.65 $1.21

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

Rockville, MD

Morning in Rockville on Sunday

Local time

10:21 AM

EDT

Current temp

77°F

Unavailable

Live forecast

Destination

Brentwood, MD

Morning in Brentwood on Sunday

Local time

10:21 AM

EDT

Current temp

78°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 warmer 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?

This route presents a 'turn-heavy local drive' profile, meaning you'll be making frequent adjustments. With only 28% of the drive on highways, much of your time will be spent on surface streets. The longest uninterrupted stretch you'll encounter is 5.8 miles on the Capital Beltway, offering a brief period of more consistent speed. Be prepared for a dynamic driving experience as you transition between faster highway segments and the more intricate network of local roads, particularly along University Boulevard East.

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: 5.8 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 1 miles in.

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 11 decision points packed into just 18.9 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 1 miles: Lane positioning matters here; at 3.9 miles (I 270): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 6.7 miles (I 495 / Capital Beltway): Merge point - match speed before joining. 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 Rockville, MD to Brentwood, MD, road signs begin pointing toward College Park along the way.

College Park

3.9 mi in | ~7m | via I 270

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 33m. Total distance: 18.9 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.

Frequently Asked Questions

The longest stretch is about 5.8 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 Brentwood, 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 1 miles: Lane positioning matters here; at 3.9 miles (I 270): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 6.7 miles (I 495 / Capital Beltway): Merge point - match speed before joining. Lane positioning matters here.

Yes. A round trip is manageable in a single day if you plan a break at Brentwood, 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, and EIA for fuel prices. See our methodology for refresh cadence and limitations.

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Explore More

Return Trip

Brentwood, MD to Rockville, MD

Plan the drive back the other way.

19 mi 33m

Explore more options from Rockville, MD or browse trips ending in Brentwood, MD.

Looking for more statewide routes? Browse MD road trips.