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Create accountDrive Time
30m
Distance
20.7 mi
33 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$3
one way
EV Charging
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station data
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Gaithersburg, MD
RDNE Stock project
Adelphi, MD
RDNE Stock project
Traveling the 20.7 miles from Gaithersburg to Adelphi is a straightforward trip that typically takes about 30 minutes. You will primarily utilize a mix of I-270, the Capital Beltway, and the Eisenhower Memorial Highway to navigate between these two Maryland locations. Because the duration is so short, this route is perfectly suited for a single-day excursion, requiring no overnight stays. With a fuel cost estimate of just $3, it is an economical commute that keeps your travel budget minimal. You will remain within the Northeast region for the duration of the trip, experiencing a transition between these two suburban areas. It is an efficient, practical drive designed for those who need to get from point A to point B without unnecessary complexity.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
0 planned breaks
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
10.4 miles from Gaithersburg, MD
A natural place for your longest stop of the day , about 15m into the drive .
Expect a mixed driving experience that balances high-speed transit with typical regional traffic patterns. Approximately 45% of this journey occurs on highways, allowing you to cover ground quickly before transitioning to local roads. You will encounter your longest uninterrupted stretch along a 9.4-mile segment of I-270, which serves as the backbone of the trip. As you maneuver from the Eisenhower Memorial Highway onto the Capital Beltway, the character of the road shifts from regional corridors to busy metropolitan arteries. Be prepared for the flow of traffic to fluctuate as you navigate these major thoroughfares, as the route is defined by its functional, high-traffic nature rather than leisurely backroads.
Mostly flat terrain
Total Climb
399 ft
Total Descent
726 ft
Highest Point
501 ft
Elevation Range
328 ft
This route mixes highway mileage with some local-road sections near the start or finish. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes early in the drive near MD 355 / North Frederick Avenue.
High effort - long or complex enough to need steady focus all day
This is a demanding drive. With 12 significant decision points across 20.7 miles, you will need to stay alert — especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: near the start (MD 355 / North Frederick Avenue): Navigation decision point; at 0.1 miles (Chestnut Street): Lane positioning matters here; at 2.5 miles (I 270): Highway fork - watch signs carefully. Lane positioning matters here.
These are the spots where you need to pay the most attention. Preview them before you drive.
Turn left onto MD 355 / North Frederick Avenue
Navigation decision point
Turn left onto Chestnut Street
Lane positioning matters here
Keep slight left at fork onto I 270
Highway fork - watch signs carefully. 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
Take the exit toward MD 650 South: New Hampshire Avenue South, Takoma Park
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Between Gaithersburg, MD and Adelphi, MD, road signs point toward College Park and Takoma Park.
College Park
Takoma Park
| Road | Distance | Duration |
|---|---|---|
| I 270 | 9.4 mi | 12m |
| Capital Beltway | 7.3 mi | 9m |
| Eisenhower Memorial Highway | 1.4 mi | 1m |
| Adelphi Road | 0.6 mi | 1m |
| West Diamond Avenue | 0.5 mi | 1m |
| New Hampshire Avenue | 0.4 mi | <1m |
| Chestnut Street | 0.3 mi | <1m |
| Edwards Way | 0.1 mi | <1m |
Step-by-step road directions between Gaithersburg, MD and Adelphi, MD.
Start on this road
Turn left onto MD 355
Turn left onto Chestnut Street
Turn right onto MD 117
Take the ramp
Merge onto I 270
Keep slight left at fork onto I 270
Keep slight left at fork onto I 270
Merge onto I 495
Take the exit
Turn straight onto MD 650
Turn left onto Adelphi Road
Turn right onto Edwards Way
Turn right onto MD 212
Arrive at destination
Because this drive is only 30 minutes long, you have significant flexibility regarding your departure time. You do not need to worry about planning formal stops, as the entire route can be completed comfortably without a break. However, keep in mind that the heavy reliance on major highways like the Capital Beltway means you should check local traffic reports before heading out to avoid peak congestion. With a total fuel cost of only $3, you can easily budget for the trip without concern for expensive fill-ups. A pro tip for this specific route is to keep a close eye on lane signage when transitioning from I-270 to the Capital Beltway, as these interchanges can be busy and require quick decision-making.
Morning Departure
Leave by 9 AM and you'll arrive before lunch.
Evening Departure
Even a 4 PM departure gets you there before dark in summer.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 20.7 miles or 30m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 10.4 miles or 15m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 25m
Traffic, exits, and arrival timing usually matter more near Adelphi, MD than in the middle of the route.
Open the route before leaving Gaithersburg, MD so your first major turns are already loaded.
Leave with enough water and a charging cable within reach, not packed away.
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Gaithersburg, MD
This is one driving day of about 20.7 miles and 30m.
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 10.4 mi from Gaithersburg, MD · 15m into the drive
Mid-route town
Meal stop
10 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.
A short stop after about 20.7 miles helps settle the day before fatigue starts building.
The midpoint is around 10.4 miles from Gaithersburg, MD, which is a good place for a longer meal and fuel stop.
The final approach into Adelphi, MD usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Adelphi, MD.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Regular Gas
$3.43 one way
$6.85 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.60 | $3.75 | $7.50 |
| premium | $4.92 | $4.01 | $8.02 |
| diesel | $5.64 | $4.60 | $9.20 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$3
Meals
$25–$50
Total
$28–$53
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 7.2 kg one way. Prices: EIA weekly data, 2026-04-06.
Driving Electric?
About $2 in charging · 0 stops · 71% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 6.2 | 0 | $2.17 | $0.99 |
| Efficient EV | 5.2 | 0 | $1.81 | $0.83 |
| EV Truck/SUV | 8.3 | 0 | $2.90 | $1.32 |
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
Evening in Gaithersburg on Sunday
Local time
7:37 PM
EDT
Current temp
67°F
Sunny
Destination
Evening in Adelphi on Sunday
Local time
7:37 PM
EDT
Current temp
69°F
Sunny
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
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
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.
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