Trip from Rockville, MD to Davidsonville, MD

Compiled by the Trip.ovh editorial team · Last recalculated Apr 17, 2026 · Methodology

Drive Time

53m

Distance

38.1 mi

61 km

Drive Score

6/10

Good drive

Same Day?

Yes, doable

Fuel Cost

$6

one way

EV Charging

Unknown

Best Time to Leave

Save up to 13 min

4 AM

0h 49m ★

6 AM

0h 53m

8 AM

1h 2m

10 AM

0h 56m

12 PM

0h 55m

3 PM

0h 57m

5 PM

1h 2m

8 PM

0h 51m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

Best Time Drive vs Fly

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Trip Overview

The drive from Rockville, MD to Davidsonville, MD covers 38.1 miles and takes about 53m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.

The route leans on Capital Beltway, John Hanson Highway, I 270 for much of the mileage, and the overall profile is turn-heavy local drive. The longest uninterrupted segment is about 16.3 miles on Capital Beltway. At current regular gas prices, budget about $6.32 one way before food or hotel costs.

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 53m. Total distance: 38.1 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

53m drive, comfortable solo distance.

EV Driver

0 DC fast chargers along the route. Coverage: unknown.

Scenic Drive

Turn-heavy local drive route profile.

Drive Character

Expect a 53m drive with frequent turns across 38.1 miles of local and secondary roads.

This route has more turning and local-road decision points than a simple highway run.

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 16.3 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 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 9 decision points packed into just 38.1 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 53m.

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

Critical Maneuvers

5 of 9 key points

These 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

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

7

23 mi into trip | ~32m in

Take the exit toward US 50 East: Annapolis

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

Use the straight / slight right lanes. Exit 19A Toward US 50 East: Annapolis

8

34.4 mi into trip | ~46m in

Take the exit toward MD 424: Davidsonville, Crofton

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 16 Toward MD 424: Davidsonville, Crofton

8

34.9 mi into trip | ~47m in

Keep slight right at fork toward MD 424 South: Davidsonville Road, Davidsonville

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

Use the straight / slight left lanes. Toward MD 424 South: Davidsonville Road, Davids...

Towns Mentioned on Route Signs

Based on OSRM destination-sign hints, not a full list of every settlement the road passes.

Between Rockville, MD and Davidsonville, MD, road signs point toward College Park and Crofton.

College Park

3.9 mi in | ~7m | via I 270

Crofton

34.4 mi in | ~46m

Main Roads

Road	Distance	Duration
Capital Beltway	16.3 mi	21m
John Hanson Highway	10.4 mi	11m
I 270	5.3 mi	7m
Davidsonville Road	3 mi	5m
Great Falls Road	0.6 mi	1m
West Montgomery Avenue	0.2 mi	<1m
Falls Road	0.2 mi	<1m
South Washington Street	<0.1 mi	<1m

Longest stretch: Capital Beltway — 16.3 mi, about 21m

Turn-by-Turn Driving Directions

Step-by-step road directions between Rockville, MD and Davidsonville, 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

16 mi · 21 min · Capital Beltway

Use the straight / slight right lanes.

10

Take the exit

1.0 mi · 2 min

Exit 19A Toward US 50 East: Annapolis Use the straight / slight right lanes.

11

Merge onto US 50

10 mi · 11 min · John Hanson Highway

12

Take the exit

0.5 mi · 1 min

Exit 16 Toward MD 424: Davidsonville, Crofton Use the straight / slight right lanes.

13

Keep slight right at fork

0.2 mi · 31 sec

Toward MD 424 South: Davidsonville Road, Davidsonville Use the straight / slight left lanes.

14

Turn straight onto MD 424

3.0 mi · 5 min · Davidsonville Road

15

Arrive at destination

Birdsville Road

Where to Stop

Rest stops, refuel points, and overnight suggestions along this route.

Halfway Point

Midpoint

About 19.1 mi from Rockville, MD · 26m into the drive

Mid-route town

Meal stop

College Park, MD

19 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

Crofton, MD

Fuel and coffee

A short stop after about 38 miles helps settle the day before fatigue starts building.

College Park, MD

Meal break

The midpoint is around 19.1 miles from Rockville, MD, which is a good place for a longer meal and fuel stop.

Arriving in Davidsonville, MD

Allow a few extra minutes for the final approach into Davidsonville, MD if you are unfamiliar with the area.

These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.

Fuel & Cost

Regular Gas

$6.32 one way

$12.63 round trip

$4.21/gal 25.4 MPG avg 13 kg CO₂

Fuel Type	$/gal	One Way	Round Trip
midgrade	$4.61	$6.92	$13.84
premium	$4.93	$7.39	$14.78
diesel	$5.61	$8.41	$16.82

No toll roads detected on this route.

Drive Cost (one way)

Fuel

$6

Estimated CO2 emission: 13.3 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $4 in charging · 0 stops · 69% less CO₂

Vehicle Type	kWh	DC Fast	Home Charge
Average EV	11.4	$4.00	$1.83
Efficient EV	9.5	$3.33	$1.52
EV Truck/SUV	15.2	$5.33	$2.44

Gas CO2

13 kg

EV CO2

4 kg (69% 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 15, 2026

Origin

Rockville, MD

Late night in Rockville on Friday

Local time

3:35 AM

EDT

Current temp

69°F

Unavailable

Live forecast

Destination

Davidsonville, MD

Late night in Davidsonville on Friday

Local time

3:35 AM

EDT

Current temp

73°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

4 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

53m 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 Davidsonville, MD covers 38.1 miles and takes about 53m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.

The main roads are Capital Beltway, John Hanson Highway, I 270. Expect a mix of highway and local road driving.

This is a comfortable same-day trip.

The midpoint is about 19.1 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 $6.32 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 9 decision points packed into just 38.1 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 53m.

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

Between Rockville, MD and Davidsonville, MD, road signs point toward College Park and Crofton.

Data sources

The figures on this page are computed from open government and mapping datasets, not crowdsourced reviews. Distances and geometry come from OSRM over OpenStreetMap. Fuel cost uses EIA weekly regional averages. Full methodology, refresh cadence, and limitations are documented on the methodology page.

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