Origin
Rockville, MD
Morning in Rockville on Sunday
Local time
10:21 AM
EDT
Current temp
77°F
Unavailable
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
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Rockville, MD
Jonathan Borba
Brentwood, MD
RDNE Stock project
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.
| 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 |
Step-by-step road directions between Rockville, MD and Brentwood, MD.
Start on South Washington Street
Turn left onto West Montgomery Avenue
Continue on Great Falls Road
Turn right onto MD 189
Continue on MD 189
Take the ramp
Merge onto I 270
Keep slight left at fork onto I 270
Merge onto I 495
Take the exit
Turn straight onto MD 193
Turn right onto MD 212
Turn left onto MD 410
Keep slight right at fork onto Ager Road
Turn left onto Hamilton Street
Turn right onto MD 208
Arrive at destination
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.
Take the ramp toward I 270 South
Lane positioning matters here
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
Merge onto I 495 / Capital Beltway
Merge point - match speed before joining. Lane positioning matters here
Take the exit toward MD 193 East: Langley Park
Exit ramp - move to the correct lane early. Lane positioning matters here
Keep slight right at fork onto Ager Road
Highway fork - watch signs carefully. Lane positioning matters here
Regular Gas
$3.13 one way
$6.27 round trip
| 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.
Current conditions at both ends of the drive.
Origin
Morning in Rockville on Sunday
Local time
10:21 AM
EDT
Current temp
77°F
Unavailable
Destination
Morning in Brentwood on Sunday
Local time
10:21 AM
EDT
Current temp
78°F
Unavailable
Time zone
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
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.
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.
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.
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.
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
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.
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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