Origin
Rockville, MD
Evening in Rockville on Sunday
Local time
7:40 PM
EDT
Current temp
64°F
Unavailable
Live forecast
Trip from Rockville, MD to Adelphi, MD
Drive Time
24m
Distance
15.5 mi
25 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$3
one way
EV Charging
Loading...
station data
Best Time to Leave
4 AM
0h 22m
★
6 AM
0h 24m
8 AM
0h 28m
10 AM
0h 26m
12 PM
0h 25m
3 PM
0h 26m
5 PM
0h 28m
8 PM
0h 23m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Rockville, MD
Jonathan Borba
Adelphi, MD
RDNE Stock project
Trip Overview
If you are planning a quick excursion from Rockville to Adelphi, you are looking at a straightforward 15.5-mile journey that typically takes about 24 minutes to complete. This trip is perfectly suited for a single-day outing, requiring no overnight stays or complex logistics. You can expect to spend roughly $3 on fuel for the entire distance, making it an incredibly budget-friendly commute within Maryland. Both your starting point and destination fall within the Northeast region, keeping the travel environment consistent throughout. Whether you are running errands or heading to a meeting, the route is efficient and keeps you well within the local corridor.
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
7.8 miles from Rockville, MD
A natural place for your longest stop of the day , about 12m into the drive .
Drive Character
Expect a mixed driving experience as you navigate between these two Maryland hubs. About 34% of your travel time will be spent on highways, transitioning from the local feel of Great Falls Road onto the broader lanes of I-270 and the Capital Beltway. You will face your longest uninterrupted stretch while navigating 7.3 miles of the Capital Beltway, which serves as the primary artery for this leg of the trip. The transition between these high-speed segments and surface roads keeps the drive engaging without becoming overly monotonous. Be prepared to shift your pace as you move from the beltway traffic back into the local road network as you approach your destination.
Expect a mix of faster highway mileage and slower local approaches near the beginning or end.
There are about 15 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Capital Beltway is the longest continuous segment at about 7.3 miles.
How Hard Is This Drive?
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 around 1 miles in.
Route Complexity
8/10
Demanding - plan breaks and stay ahead of the key maneuvers
This is a demanding drive. With 10 significant decision points across 15.5 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: at 1 miles: Lane positioning matters here; at 1.4 miles (I 270): Merge point - match speed before joining. 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.
Critical Maneuvers
5 of 10 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
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
5
1.4 mi into trip
|
~3m in
|
I 270
Merge onto I 270
Merge point - match speed before joining. Lane positioning matters here
Use the none lane.
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
8
14 mi into trip
|
~20m in
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
Use the straight / slight right lanes.
Exit 28B
Toward MD 650 South: New Hampshire Avenue South...
6
14.7 mi into trip
|
~22m in
|
Adelphi Road
Turn left onto Adelphi Road
Lane positioning matters here
Use the none lane.
Towns Along This Route
Between Rockville, MD and Adelphi, MD, road signs point toward College Park and Takoma Park.
College Park
3.9 mi in
|
~7m
|
via I 270
Takoma Park
14 mi in
|
~20m
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Capital Beltway | 7.3 mi | 9m |
| I 270 | 5.3 mi | 7m |
| Great Falls Road | 0.6 mi | 1m |
| Adelphi Road | 0.6 mi | 1m |
| New Hampshire Avenue | 0.4 mi | <1m |
| West Montgomery Avenue | 0.2 mi | <1m |
| Falls Road | 0.2 mi | <1m |
| Edwards Way | 0.1 mi | <1m |
Longest stretch:
Capital Beltway
— 7.3 mi, about 9m
Turn-by-Turn Driving Directions
Step-by-step road directions between Rockville, MD and Adelphi, 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
Use the none lane.
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
7.3 mi
·
9 min
·
Capital Beltway
Use the none lane.
10
Take the exit
0.3 mi
·
40 sec
Exit 28B
Toward MD 650 South: New Hampshire Avenue South, Takoma Park
Use the straight / slight right lanes.
11
Turn straight onto MD 650
0.4 mi
·
55 sec
·
New Hampshire Avenue
Use the none lane.
12
Turn left onto Adelphi Road
0.6 mi
·
1 min
·
Adelphi Road
Use the none lane.
13
Turn right onto Edwards Way
0.1 mi
·
20 sec
·
Edwards Way
14
Turn right onto MD 212
0.1 mi
·
13 sec
·
Riggs Road
15
Arrive at destination
MD 212
Trip Plan
Since this is a short 24-minute drive, you have plenty of flexibility in your scheduling, though keeping an eye on local traffic patterns around the Capital Beltway is always a smart move. Because the entire trip covers just 15.5 miles, you won't need to plan for any formal stops along the way, allowing you to head straight to your final destination. With a fuel budget of only $3, you can easily handle the transit on a single tank without worrying about mid-trip refueling. My best advice for this specific route is to monitor real-time traffic reports for the Capital Beltway before you depart, as that 7.3-mile stretch can fluctuate significantly based on the time of day.
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.
You can normally do this drive in one day.
You may only need one short stretch break if traffic stays light.
The halfway point lands around 7.8 miles from Rockville, MD, or about 12m into the drive.
The longest continuous stretch on this route runs about 7.3 miles.
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 15.5 miles or 24m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 7.8 miles or 12m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 19m
Traffic, exits, and arrival timing usually matter more near Adelphi, MD than in the middle of the route.
Before You Leave
+
Open the route before leaving Rockville, 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 Rockville, MD
This is one driving day of about 15.5 miles and 24m.
Your first comfortable stop window is around 80 miles from Rockville, MD.
This route can stay practical as a one-day drive if traffic stays reasonable.
You may only need one short stretch stop if conditions stay smooth.
The longest stretch is on Capital Beltway for about 7.3 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 7.8 mi from Rockville, MD · 12m into the drive
Mid-route town
Meal stop
8 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.
Pacing Suggestions
Fuel and coffee
A short stop after about 15.5 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 7.8 miles from Rockville, MD, which is a good place for a longer meal and fuel stop.
Arriving in Adelphi, MD
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.
Fuel & Cost
Regular Gas
$2.56 one way
$5.13 round trip
$4.20/gal
25.4 MPG avg
5 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.60 | $2.81 | $5.61 |
| premium | $4.92 | $3.00 | $6.01 |
| diesel | $5.64 | $3.44 | $6.89 |
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: 5.4 kg one way. Prices: EIA weekly data, 2026-04-06.
Driving Electric?
About $2 in charging · 0 stops · 60% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 4.6 | 0 | $1.63 | $0.74 |
| Efficient EV | 3.9 | 0 | $1.36 | $0.62 |
| EV Truck/SUV | 6.2 | 0 | $2.17 | $0.99 |
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.
Destination
Adelphi, MD
Evening in Adelphi on Sunday
Local time
7:40 PM
EDT
Current temp
88°F
Unavailable
Live forecast
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
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
24 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
24m 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.
Frequently Asked Questions
The drive from Rockville, MD to Adelphi, MD covers 15.5 miles and takes about 24m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Capital Beltway, I 270, Great Falls Road. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 7.8 miles from Rockville, MD. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $2.56 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 is a demanding drive. With 10 significant decision points across 15.5 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.
The main spots that need attention: at 1 miles: Lane positioning matters here; at 1.4 miles (I 270): Merge point - match speed before joining. 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.
Between Rockville, MD and Adelphi, MD, road signs point toward College Park and Takoma Park.
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