Origin
Greenbelt, MD
Night in Greenbelt on Friday
Local time
9:27 PM
EDT
Current temp
69°F
Unavailable
Live forecast
Trip from Greenbelt, MD to Rockville, MD
Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 18, 2026 · Editorial standards
Drive Time
29m
Distance
20.1 mi
32 km
Drive Score
7/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$3
one way
EV Charging
Good
8 stations
Best Time to Leave
4 AM
0h 27m
★
6 AM
0h 29m
8 AM
0h 34m
10 AM
0h 31m
12 PM
0h 30m
3 PM
0h 31m
5 PM
0h 34m
8 PM
0h 28m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Greenbelt, MD
Wikimedia Commons
Rockville, MD
Jonathan Borba
Trip Overview
Greenbelt, MD to Rockville, MD is 20.1 miles and takes about 29 minutes via Capital Beltway and I 270, with a fuel budget near $3 and enough daylight to finish in a day. This is a single-day trip that stays within Maryland, connecting two points in the Northeast region. Expect a drive characterized by frequent turns and local road navigation, rather than a straightforward highway cruise. It's a relatively short journey, making it ideal for a quick commute or an easy addition to a larger travel plan.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 29m. Total distance: 20.1 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
29m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
Scenic Drive
Turn-heavy local drive route profile with national parks nearby.
Drive Character
This route leans heavily on local roads, with only 27% of the drive on highways like the Capital Beltway and I 270. You'll encounter a 'turn-heavy' profile, meaning you'll be making frequent adjustments to your direction. The longest uninterrupted stretch you'll experience is 12.2 miles on the Capital Beltway, so be prepared for a varied driving experience with plenty of opportunities to navigate city streets. This isn't a route for settling in for a long highway haul; instead, it's more about active navigation.
This route has more turning and local-road decision points than a simple highway run.
There are about 14 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 12.2 miles.
How Hard Is This Drive?
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 4 miles in near I 495 / Capital Beltway.
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 10 decision points packed into just 20.1 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 29m.
Where does it get tricky?
The main spots that need attention: at 4 miles (I 495 / Capital Beltway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 13.5 miles (I 270): Highway fork - watch signs carefully. Lane positioning matters here; at 17.1 miles (I 270): Highway fork - watch signs carefully. Lane positioning matters here.
Critical Maneuvers
5 of 10 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
8
4 mi into trip
|
~6m in
|
I 495 / Capital Beltway
Keep slight left at fork onto I 495 / Capital Beltway toward I 495 West: Beltway, Silver Spring
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Toward I 495 West: Beltway, Silver Spring
8
13.5 mi into trip
|
~18m 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
17.1 mi into trip
|
~23m 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
18.9 mi into trip
|
~25m 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
19 mi into trip
|
~26m 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...
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Greenbelt, MD and Rockville, MD, road signs point toward College Park, Silver Spring and Town Center.
College Park
1 mi in
|
~2m
Silver Spring
4 mi in
|
~6m
|
via I 495
Town Center
19 mi in
|
~26m
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Capital Beltway | 12.2 mi | 15m |
| I 270 | 5.4 mi | 7m |
| Crescent Road | 1 mi | 2m |
| Great Falls Road | 0.7 mi | 1m |
| West Montgomery Avenue | 0.2 mi | <1m |
| Kenilworth Avenue | <0.1 mi | <1m |
| Falls Road | <0.1 mi | <1m |
| South Washington Street | <0.1 mi | <1m |
Longest stretch:
Capital Beltway
— 12.2 mi, about 15m
Turn-by-Turn Driving Directions
Step-by-step road directions between Greenbelt, MD and Rockville, MD.
1
Start on Crescent Road
1.0 mi
·
2 min
·
Crescent Road
2
Turn left onto MD 201
512 ft
·
16 sec
·
Kenilworth Avenue
Use the straight / left lanes.
3
Take the ramp
0.3 mi
·
40 sec
Toward I 95 North, I 495 North: Baltimore, College Park
Use the straight / right lanes.
4
Merge onto I 95; I 495
2.6 mi
·
3 min
·
Capital Beltway
Use the straight / slight right lanes.
5
Keep slight left at fork onto I 495
9.5 mi
·
12 min
·
Capital Beltway
Toward I 495 West: Beltway, Silver Spring
Use the straight / slight right lanes.
6
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.
7
Keep slight right at fork onto I 270
1.8 mi
·
2 min
·
I 270
Toward I 270 North
Use the slight right lane.
8
Take the exit
0.1 mi
·
18 sec
Exit 5
Toward MD 189: Falls Road
Use the straight / slight right lanes.
9
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.
10
Turn straight onto MD 189
432 ft
·
20 sec
·
Falls Road
11
Turn left onto Great Falls Road
0.7 mi
·
1 min
·
Great Falls Road
12
Continue on West Montgomery Avenue
0.2 mi
·
37 sec
·
West Montgomery Avenue
Use the left / straight / right lanes.
13
Turn right onto South Washington Street
63 ft
·
1 sec
·
South Washington Street
Use the straight / right lanes.
14
Arrive at destination
South Washington Street
Fuel & Cost
Regular Gas
$3.33 one way
$6.66 round trip
$4.21/gal
25.4 MPG avg
7 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.61 | $3.65 | $7.30 |
| premium | $4.93 | $3.90 | $7.80 |
| diesel | $5.61 | $4.44 | $8.88 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$3
Estimated CO2 emission: 7 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 | 6 | 0 | $2.11 | $0.96 |
| Efficient EV | 5 | 0 | $1.76 | $0.80 |
| EV Truck/SUV | 8 | 0 | $2.81 | $1.29 |
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.
Destination
Rockville, MD
Night in Rockville on Friday
Local time
9:27 PM
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
8 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
29m 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 Greenbelt, MD to Rockville, MD covers 20.1 miles and takes about 29m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Capital Beltway, I 270, Crescent Road. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 10.1 miles from Greenbelt, MD. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $3.33 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 short but busy drive. With 10 decision points packed into just 20.1 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 29m.
The main spots that need attention: at 4 miles (I 495 / Capital Beltway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 13.5 miles (I 270): Highway fork - watch signs carefully. Lane positioning matters here; at 17.1 miles (I 270): Highway fork - watch signs carefully. Lane positioning matters here.
Between Greenbelt, MD and Rockville, MD, road signs point toward College Park, Silver Spring and Town Center.
Yes. Nearby national parks include Chesapeake & Ohio Canal National Historical Park, Potomac Heritage National Scenic Trail and Monocacy National Battlefield.
How this page is built
Compiled by the Trip.ovh 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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