How far is Columbia, MD from Adelphi, MD?
The driving distance from Columbia, MD to Adelphi, MD is about 19.8 miles (31.8 km), with a travel time of about 00h 30m by car.
- The straight-line flight distance is about 17.8 miles (28.7 km).
- For a round trip, plan for roughly 01h 00m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 30m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
Census-designated place in Montgomery County, Maryland, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Columbia and Adelphi.
Turn-by-Turn Driving Directions
Step-by-step road directions between Columbia and Adelphi.
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1
Start on MD 108 West: Clarksville, Dorsey's Search, Harper's Choice
123 m · 10 sec
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2
Turn straight onto Clarksville Pike
1031 ft · 19 sec · Clarksville Pike
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3
Continue on Clarksville Pike
565 ft · 26 sec · Clarksville Pike
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4
Take the ramp slight right toward US 29 South: Columbia, Town Center
2112 ft · 51 sec
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5
Merge slight left onto Columbia Pike
13.6 mi · 19 min · Columbia Pike
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6
Take the exit slight right toward E. Randolph Road, Cherry Hill Road
1281 ft · 42 sec
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7
Turn left onto Cherry Hill Road
1.9 mi · 3 min · Cherry Hill Road
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8
Turn right onto Powder Mill Road
1.5 mi · 3 min · Powder Mill Road
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9
Turn straight onto Riggs Road
1.8 mi · 3 min · Riggs Road
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10
Arrive at your destination
0 m · 1 sec · Riggs Road
Car Route Details
A richer read on the saved driving route between Columbia and Adelphi.
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
13.6 mi · 00h 19m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Sunny leaving Columbia and Sunny near Adelphi.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Columbia to Adelphi?
The road trip is about 19.8 miles (31.8 km) and usually takes 00h 30m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Burtonsville is a useful midpoint, sitting about 9.9 miles from Columbia and 9.9 miles from Adelphi.
How much longer is the road route than the straight-line distance?
The direct path is about 17.8 miles (28.7 km), while the road route adds roughly 2 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:30 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.86 one way or $5.72 round trip. Estimated CO2 is about 6.2 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Columbia and Sunny near Adelphi.
Stop Ideas Near Burtonsville
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Griffith Park at City Hall
Gaithersburg City Hall
Town Hall Liquor And Bar
City of Rockville City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Burtonsville.
Rockville station
New Carrollton station
BWI Rail Station
Washington Union Station
Flight Path Map
This map shows the direct air route between Columbia and Adelphi. Straight-line distance: 17.86 mi (28.75 km).
#1 Columbia
Columbia is a place in Maryland, United States.
| Population | 0 |
| Coordinates | 39.2403800, -76.8394200 |
| Altitude | 124 |
| Country | United States |
#2 Adelphi
Census designated place in Prince George's County, Maryland, United States
| Population | 15,086 |
| Coordinates | 39.0031700, -76.9719200 |
| Altitude | 52 |
| Country | United States |
End: Adelphi (-76.97192, 39.00317)
Estimated Travel Time
Distance: 32 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 39m |
| 40 mph (64.37 km/h) | 00h 29m |
| 50 mph (80.47 km/h) | 00h 23m |
| 60 mph (96.56 km/h) | 00h 19m |
| 70 mph (112.65 km/h) | 00h 16m |
| 80 mph (129 km/h) | 00h 14m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $2.86 | $5.72 |
| Mid-grade | $4.60 | $3.22 | $6.44 |
| Premium | $4.95 | $3.47 | $6.94 |
| Diesel | $5.98 | $4.19 | $8.37 |
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 22, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.