Trip from Rockville, MD to Four Corners, MD

Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards

Drive Time

20m

Distance

12.8 mi

21 km

Drive Score

8/10

Great drive

Same Day?

Yes, doable

Fuel Cost

one way

EV Charging

Good

6 stations

Best Time to Leave

Save up to 6 min

4 AM

0h 18m ★

6 AM

0h 20m

8 AM

0h 24m

10 AM

0h 21m

12 PM

0h 21m

3 PM

0h 22m

5 PM

0h 23m

8 PM

0h 19m

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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Rockville, MD

Jonathan Borba

Four Corners, MD

Gabriel Ramos

Trip Overview

Rockville, MD to Four Corners, MD is 12.8 miles and takes about 20m via I 270, with a fuel budget near $2 and enough daylight to finish in a day. This short trip stays within Maryland's Northeast region, offering a straightforward drive between two nearby communities. Given its minimal distance and duration, this route is ideal for a quick errand or a simple transfer, allowing for plenty of flexibility in your schedule. Expect a primarily functional journey that gets you from point A to point B efficiently.

Main Roads

Road	Distance	Duration
I 270	5.3 mi	7m
Capital Beltway	5.3 mi	7m
Great Falls Road	0.6 mi	1m
Colesville Road	0.3 mi	<1m
University Boulevard East	0.2 mi	<1m
West Montgomery Avenue	0.2 mi	<1m
Falls Road	0.2 mi	<1m
South Washington Street	<0.1 mi	<1m

Longest stretch: I 270 — 5.3 mi, about 7m

Turn-by-Turn Driving Directions

Step-by-step road directions between Rockville, MD and Four Corners, MD.

Start on South Washington Street

63 ft · 8 sec · South Washington Street

Turn left onto West Montgomery Avenue

0.2 mi · 33 sec · West Montgomery Avenue

Continue on Great Falls Road

0.6 mi · 1 min · Great Falls Road

Turn right onto MD 189

432 ft · 17 sec · Falls Road

Continue on MD 189

471 ft · 18 sec · Falls Road

Take the ramp

0.3 mi · 51 sec

Toward I 270 South Use the left lane.

Merge onto I 270

2.6 mi · 3 min · I 270

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.

Merge onto I 495

5.3 mi · 7 min · Capital Beltway

Use the straight / slight right lanes.

Take the exit

0.2 mi · 28 sec

Exit 30A Toward US 29 North: Columbia Use the straight / right lanes.

Merge onto US 29

0.3 mi · 49 sec · Colesville Road

Turn right onto MD 193

524 ft · 9 sec · University Boulevard East

Continue on MD 193

0.1 mi · 25 sec · University Boulevard East

Use the left lane.

Arrive at destination

MD 193

Heads-up: tricky spots

5 of 9

5 decision points cluster between mile 0 and 12 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.

0 mi into trip | ~0m in | West Montgomery Avenue

Turn left onto West Montgomery Avenue

Navigation decision point

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

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

6.7 mi into trip | ~11m in | I 495 / Capital Beltway

Merge onto I 495 / Capital Beltway

Merge point - match speed before joining. Lane positioning matters here

Use the straight / slight right lanes.

12 mi into trip | ~18m in

Take the exit toward US 29 North: Columbia

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

Use the straight / right lanes. Exit 30A Toward US 29 North: Columbia

Fuel & Cost

Regular Gas

$2.12 one way

$4.24 round trip

$4.21/gal 25.4 MPG avg 5 kg CO₂

Fuel Type	$/gal	One Way	Round Trip
midgrade	$4.61	$2.32	$4.65
premium	$4.93	$2.48	$4.96
diesel	$5.61	$2.83	$5.65

No toll roads detected on this route.

Drive Cost (one way)

Fuel

Estimated CO2 emission: 4.5 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $1 in charging · 0 stops · 75% less CO₂

Vehicle Type	kWh	DC Fast	Home Charge
Average EV	3.8	$1.34	$0.61
Efficient EV	3.2	$1.12	$0.51
EV Truck/SUV	5.1	$1.79	$0.82

Gas CO2

4 kg

EV CO2

1 kg (75% 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 16, 2026

Origin

Rockville, MD

Late night in Rockville on Sunday

Local time

12:19 AM

EDT

Current temp

92°F

Mostly Sunny

SW 9 to 14 mph 3% chance Live forecast

Destination

Four Corners, MD

Late night in Four Corners on Sunday

Local time

12:19 AM

EDT

Current temp

76°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

16 degrees cooler at arrival

A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.

Road read

20m on the road

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.

What kind of drive is this?

This drive presents a mixed bag, with 42% of the journey taking place on highways. You'll experience a 5.3-mile stretch on I 270, offering a taste of faster driving before transitioning. The overall profile is a mixed drive, meaning you'll likely encounter both quicker highway sections and potentially more stop-and-go traffic or slower local roads as you approach your destination. Be prepared for a varied driving experience that isn't solely focused on high-speed travel.

42% highway, the rest on surface roads — varied driving throughout.

14 navigation steps total — most of the decisions cluster near the start and finish.

Longest single stretch: 5.3 mi on I 270.

How Hard Is This Drive?

7/10

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 West Montgomery Avenue.

Driving Effort 7/10

Focused - busy navigation packed into a short drive

Balances navigation complexity with total wheel time.

This is a short but busy drive. With 9 decision points packed into just 12.8 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 20m.

Where does it get tricky?

The main spots that need attention: near the start (West Montgomery Avenue): Navigation decision point; 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.

Towns Mentioned on Route Signs

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

On the drive from Rockville, MD to Four Corners, MD, road signs begin pointing toward College Park along the way.

College Park

3.9 mi in | ~7m | via I 270

Discover Along the Route

Interesting stops within a short detour of your drive.

Starbucks

Cafe

Restaurant

Near the end, right off the route

0 mi from route mile 12.8

Silver Spring, MD

Cuisine: chinese

Forest Glen Historic Railroad Station

Attraction

Later in the drive, right off the route

0.1 mi from route mile 9.9

F. Scott Fitzgerald

Attraction

Near the start, right off the route

0.4 mi from route ~1 min detour

Montrose Woods Park

20m drive, comfortable solo distance.

EV Driver

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

First-Time Driver

Mostly highway driving (42%). Some complex stretches to watch for.

Scenic Drive

Mixed highway & surface route profile with national parks nearby.

Frequently Asked Questions

The longest stretch is about 5.3 miles on I 270. The full list of main roads is in the Roads section above.

It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Four Corners, MD before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.

Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.

Yes — Chesapeake & Ohio Canal National Historical Park, Potomac Heritage National Scenic Trail and Monocacy National Battlefield. See the National Parks section for detour distances and tips on detours.

Yes. A round trip is manageable in a single day if you plan a break at Four Corners, MD before heading back.

How this page is built

Compiled by the US Trip Planner 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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Trip from Rockville, MD to Four Corners, MD

Best Time to Leave

Trip Overview

Main Roads

Turn-by-Turn Driving Directions

Heads-up: tricky spots

Fuel & Cost

Travel Intel

Rockville, MD

Four Corners, MD

Same local time

16 degrees cooler at arrival

20m on the road

What kind of drive is this?

How Hard Is This Drive?

Towns Mentioned on Route Signs

Discover Along the Route

Starbucks

Starbucks

Starbucks

Starbucks

Starbucks

Starbucks

Fresh Greek Grill

Santucci's Deli

McDonald's

Bombay Bistro

Dunkin' Baskin Robbins

Red Maple

Forest Glen Historic Railroad Station

F. Scott Fitzgerald

Montrose Woods Park

Lincoln Terrace Park

Dawson Park

Luxmanor Park

Minerva

Justice

Forest Glen Historic Railroad Station

Grief of Cyporissus

National Park Seminary

F. Scott Fitzgerald

The Children's Inn at NIH

The Bethesdan Hotel, Tapestry Collection by Hilton

Bethesda North Marriott

Best Western

Hilton

Cottage On 16th

Who Is This Route For?

Frequently Asked Questions

Which road carries most of the drive?

Should I avoid arriving after dark?

Is this a good trip with kids?

Where does this route get tricky?

Are there national parks near this route?

Can I do this as a round trip in one go?

How this page is built

Explore More

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