How far is Potomac, MD from Columbia, MD?
The driving distance from Potomac, MD to Columbia, MD is about 40.1 miles (64.6 km), with a travel time of about 00h 50m by car.
- The straight-line flight distance is about 25 miles (40.3 km).
- For a round trip, plan for roughly 01h 40m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 00h 50m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Town in Oklahoma, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Potomac and Columbia.
Turn-by-Turn Driving Directions
Step-by-step road directions between Potomac and Columbia.
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1
Start on the route
25 m · 8 sec
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2
Turn right onto Falls Road
3.3 mi · 6 min · Falls Road
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3
Turn right onto Montrose Road
2.4 mi · 4 min · Montrose Road
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4
Continue on Josiah Henson Parkway
1.3 mi · 2 min · Josiah Henson Parkway
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5
Continue on Randolph Road
6.6 mi · 11 min · Randolph Road
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6
Turn left onto New Hampshire Avenue
1.4 km · 1 min · New Hampshire Avenue
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7
Take the ramp right toward MD 200 Toll East
1190 ft · 29 sec
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8
Merge slight left onto Intercounty Connector
2.1 mi · 3 min · Intercounty Connector
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9
Take the exit slight right toward US 29: Silver Spring, Columbia
1170 ft · 29 sec
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10
Keep slight left to continue on US 29 North: Columbia
2435 ft · 59 sec
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11
Merge slight left onto Columbia Pike
13.5 mi · 18 min · Columbia Pike
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12
Take the exit slight right toward MD 100 East: Glen Burnie
2623 ft · 41 sec
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13
Continue straight
1056 ft · 16 sec
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14
Take the exit slight right toward Long Gate Parkway
864 ft · 21 sec
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15
Turn right onto Long Gate Parkway
2301 ft · 1 min · Long Gate Parkway
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16
Turn left onto Montgomery Road
3232 ft · 1 min · Montgomery Road
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17
Take the ramp left toward US 29 South: Washington
1302 ft · 32 sec
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18
Merge slight left onto Columbia Pike
1.4 km · 58 sec · Columbia Pike
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19
Take the exit slight right toward MD 108 West: Clarksville, Dorsey's Search, Harper's Choice
2076 ft · 51 sec
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20
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Potomac and Columbia.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Columbia Pike
Merge slight left onto Columbia Pike
13.5 mi · 00h 18m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Sunny leaving Potomac and Sunny near Columbia.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Potomac to Columbia?
The road trip is about 40.1 miles (64.6 km) and usually takes 00h 50m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Fairland is a useful midpoint, sitting about 17.1 miles from Potomac and 23 miles from Columbia.
How much longer is the road route than the straight-line distance?
The direct path is about 25 miles (40.3 km), while the road route adds roughly 15.1 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 4:50 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.80 one way or $11.60 round trip. Estimated CO2 is about 12.6 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Potomac and Sunny near Columbia.
Stop Ideas Near Fairland
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
United States Capitol
D C Government
The John Wilson Building
Town Hall Liquor And Bar
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Fairland.
Rockville station
New Carrollton station
Washington Union Station
BWI Rail Station
Flight Path Map
This map shows the direct air route between Potomac and Columbia. Straight-line distance: 25.05 mi (40.31 km).
#1 Potomac
Census-designated place in Montgomery County, Maryland, United States
| Population | 44,965 |
| Coordinates | 39.0181700, -77.2085900 |
| Altitude | 110 |
| Country | United States |
#2 Columbia
Columbia is a place in Maryland, United States.
| Population | 0 |
| Coordinates | 39.2403800, -76.8394200 |
| Altitude | 124 |
| Country | United States |
End: (-76.839402, 39.240355)
Estimated Travel Time
Distance: 65 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 20m |
| 40 mph (64.37 km/h) | 01h 00m |
| 50 mph (80.47 km/h) | 00h 48m |
| 60 mph (96.56 km/h) | 00h 40m |
| 70 mph (112.65 km/h) | 00h 34m |
| 80 mph (129 km/h) | 00h 30m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $5.80 | $11.60 |
| Mid-grade | $4.60 | $6.53 | $13.06 |
| Premium | $4.95 | $7.03 | $14.07 |
| Diesel | $5.98 | $8.49 | $16.98 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Maryland · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.