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Trip from Potomac, MD to Columbia, MD

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Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 21, 2026 · Editorial standards

Drive Time

54m

Distance

34.4 mi

55 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 50m ★
6 AM
0h 54m
8 AM
1h 3m
10 AM
0h 57m
12 PM
0h 57m
3 PM
0h 58m
5 PM
1h 3m
8 PM
0h 52m

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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census-designated place in Montgomery County, Maryland, United States, suburb of Washington, DC

Potomac, MD

Wikimedia Commons

planned community in Howard County, Maryland, United States

Columbia, MD

Wikimedia Commons

Trip Overview

Potomac, MD to Columbia, MD is 34.4 miles and takes about 54 minutes via Columbia Pike, with a fuel budget near $6 and enough daylight to finish in a day. This short trip stays within Maryland, traversing the Northeast region. It's a straightforward local drive that connects two points with minimal fuss, making it ideal for a quick errand or a connection to another adventure. You'll find it's a practical way to get from point A to B without significant time commitment.

Main Roads

Road Distance Duration
Columbia Pike 14.4 mi 18m
Randolph Road 6.6 mi 11m
Falls Road 3.3 mi 6m
Montrose Road 2.4 mi 4m
Intercounty Connector 2.1 mi 2m
Josiah Henson Parkway 1.3 mi 2m
New Hampshire Avenue 0.9 mi 1m
Montgomery Road 0.6 mi 1m
Longest stretch: Columbia Pike — 14.4 mi, about 18m

Turn-by-Turn Driving Directions

Step-by-step road directions between Potomac, MD and Columbia, MD.

1

Start on this road

81 ft · 8 sec · this road
2

Turn right onto MD 189

3.3 mi · 6 min · Falls Road
3

Turn right onto Montrose Road

2.4 mi · 4 min · Montrose Road
4

Continue on Josiah Henson Parkway

1.3 mi · 2 min · Josiah Henson Parkway
Use the left / straight lanes.
5

Continue on Randolph Road

6.6 mi · 11 min · Randolph Road
6

Turn left onto MD 650

0.9 mi · 1 min · New Hampshire Avenue
7

Take the ramp

0.2 mi · 29 sec
Toward MD 200 Toll East
8

Merge onto MD 200 Toll

2.1 mi · 2 min · Intercounty Connector
9

Take the exit

0.2 mi · 28 sec
Exit 16A-B Toward US 29: Silver Spring, Columbia Use the slight right lane.
10

Keep slight left at fork

0.5 mi · 59 sec
Exit 16B Toward US 29 North: Columbia
11

Merge onto US 29

13 mi · 17 min · Columbia Pike
Use the straight / slight right lanes.
12

Take the exit

0.5 mi · 40 sec
Exit 22 Toward MD 100 East: Glen Burnie Use the slight right lane.
13

Continue on MD 100

0.2 mi · 16 sec · MD 100
14

Take the exit

0.2 mi · 21 sec
Exit 1A Toward Long Gate Parkway Use the right lane.
15

Turn right onto Long Gate Parkway

0.4 mi · 1 min · Long Gate Parkway
Use the right lane.
16

Turn left onto MD 103

0.6 mi · 1 min · Montgomery Road
17

Take the ramp

0.2 mi · 31 sec
Toward US 29 South: Washington Use the left / straight lanes.
18

Merge onto US 29

0.9 mi · 57 sec · Columbia Pike
19

Take the exit

0.4 mi · 50 sec
Exit 21B Toward MD 108 West: Clarksville, Dorsey's Search, Harper's Choice Use the straight / slight right lanes.
20

Arrive at destination

Exit 21B Toward MD 108 West: Clarksville, Dorsey's Search, Harper's Choice

Where to Stop

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

census-designated place in Montgomery County, Maryland, United States, Suburb of Washington DC

Mid-route town

Meal stop

Kemp Mill, MD

17 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

Ellicott City, MD

Fuel and coffee

A short stop after about 34 miles helps settle the day before fatigue starts building.

Kemp Mill, MD

Meal break

The midpoint is around 17.2 miles from Potomac, MD, which is a good place for a longer meal and fuel stop.

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

Heads-up: tricky spots

5 of 15

5 decision points cluster between mile 16.8 and 34 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.

8
16.8 mi into trip | ~28m in

Take the exit toward US 29: Silver Spring, Columbia

Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one

Use the slight right lane. Exit 16A-B Toward US 29: Silver Spring, Columbia
7
30.9 mi into trip | ~48m in

Take the exit toward MD 100 East: Glen Burnie

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

Use the slight right lane. Exit 22 Toward MD 100 East: Glen Burnie
8
31.6 mi into trip | ~49m in

Take the exit toward Long Gate Parkway

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

Use the right lane. Exit 1A Toward Long Gate Parkway
7
32.8 mi into trip | ~52m in

Take the ramp toward US 29 South: Washington

Lane positioning matters here

Use the left / straight lanes. Toward US 29 South: Washington
8
34 mi into trip | ~53m in

Take the exit toward MD 108 West: Clarksville, Dorsey's Search, Harper's Choice

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 21B Toward MD 108 West: Clarksville, Dorsey's Searc...

Fuel & Cost

Regular Gas

$5.70 one way

$11.41 round trip

$4.21/gal 25.4 MPG avg 12 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.61 $6.25 $12.49
premium $4.93 $6.67 $13.34
diesel $5.61 $7.60 $15.19

No toll roads detected on this route.

Drive Cost (one way)

Fuel

$6

Estimated CO2 emission: 12 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $4 in charging · 0 stops · 67% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 10.3 0 $3.61 $1.65
Efficient EV 8.6 0 $3.01 $1.38
EV Truck/SUV 13.8 0 $4.82 $2.20

Gas CO2

12 kg

EV CO2

4 kg (67% 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 20, 2026

Origin

Potomac, MD

Late night in Potomac on Tuesday

Local time

5:17 AM

EDT

Current temp

66°F

Unavailable

Live forecast

Destination

Columbia, MD

Late night in Columbia on Tuesday

Local time

5:17 AM

EDT

Current temp

64°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

2 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

54m 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.

What kind of drive is this?

This drive involves 6% highway, with the majority of your time spent on surface roads. The longest continuous stretch on a single road is 14.4 miles on Columbia Pike before you transition. Expect frequent intersections and changes in direction as you navigate the local network. You'll notice a lot of merging and traffic signals as you move through populated areas.

Only 6% highway — the rest is turn-by-turn surface driving.
20 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 14.4 mi on Columbia Pike.

How Hard Is This Drive?

9/10

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 16.8 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 15 decision points packed into just 34.4 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 54m.

Where does it get tricky?

The main spots that need attention: at 16.8 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 30.9 miles: Exit ramp - move to the correct lane early. Lane positioning matters here; at 31.6 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.

About the Cities

Starting in Potomac, MD

Full guide →

Potomac is an unincorporated district in Montgomery County, Maryland and a suburb of Washington DC.

City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 54m. Total distance: 34.4 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

54m drive, comfortable solo distance.

EV Driver

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

Scenic Drive

Mostly surface roads route profile with national parks nearby.

Frequently Asked Questions

The longest stretch is about 14.4 miles on Columbia Pike. 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 Columbia, 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.

The main spots that need attention: at 16.8 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 30.9 miles: Exit ramp - move to the correct lane early. Lane positioning matters here; at 31.6 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.

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 Columbia, 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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