How far is Gwynn Oak, MD from Olney, MD?
The driving distance from Gwynn Oak, MD to Olney, MD is about 32.9 miles (52.9 km), with a travel time of about 00h 44m by car.
- The straight-line flight distance is about 23.5 miles (37.9 km).
- For a round trip, plan for roughly 01h 28m 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 44m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Unincorporated community in Howard County, Maryland, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers then Slight Chance Showers And Thunderstorms
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Gwynn Oak and Olney.
Turn-by-Turn Driving Directions
Step-by-step road directions between Gwynn Oak and Olney.
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1
Start on the route
18 m · 6 sec
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2
Turn right onto Haddon Avenue
54 m · 12 sec · Haddon Avenue
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3
Turn left onto Hillsdale Road
1.5 km · 3 min · Hillsdale Road
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4
Turn slight right onto West Forest Park Avenue
1.4 mi · 4 min · West Forest Park Avenue
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5
Continue on Ingleside Avenue
944 ft · 31 sec · Ingleside Avenue
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6
Take the ramp slight right toward I 70 West
1812 ft · 44 sec
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7
Merge slight left
5.4 mi · 6 min
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8
Take the exit slight left toward US 29 South: Columbia, Washington, Ellicott City
1.3 km · 2 min
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9
Merge slight right onto Columbia Pike
3.5 mi · 4 min · Columbia Pike
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10
Take the exit slight right toward MD 108 West: Clarksville, Dorsey's Search, Harper's Choice
2480 ft · 1 min
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11
Turn straight onto Clarksville Pike
10 mi · 16 min · Clarksville Pike
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12
Continue on Ashton Road
2.4 mi · 4 min · Ashton Road
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13
Continue on Olney Sandy Spring Road
3.2 mi · 5 min · Olney Sandy Spring Road
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14
Turn sharp left onto Georgia Avenue
36 m · 14 sec · Georgia Avenue
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15
Arrive at your destination
0 m · 1 sec · Georgia Avenue
Car Route Details
A richer read on the saved driving route between Gwynn Oak and Olney.
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.
Clarksville Pike
Turn straight onto Clarksville Pike
9.97 mi · 00h 16m
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.
Chance Rain Showers then Slight Chance Showers And Thunderstorms leaving Gwynn Oak and Showers And Thunderstorms Likely near Olney.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Gwynn Oak to Olney?
The road trip is about 32.9 miles (52.9 km) and usually takes 00h 44m 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?
Ellicott City is a useful midpoint, sitting about 14.3 miles from Gwynn Oak and 18.5 miles from Olney.
How much longer is the road route than the straight-line distance?
The direct path is about 23.5 miles (37.9 km), while the road route adds roughly 9.4 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 7:02 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.74 one way or $9.48 round trip. Estimated CO2 is about 10.3 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers then Slight Chance Showers And Thunderstorms around Gwynn Oak and Showers And Thunderstorms Likely near Olney.
Flight Path Map
This map shows the direct air route between Gwynn Oak and Olney. Straight-line distance: 23.55 mi (37.9 km).
#1 Gwynn Oak
A census-designated place in Baltimore County, Maryland.
| Population | 47,092 |
| Coordinates | 39.3326100, -76.6927500 |
| Altitude | 130 |
| Country | United States |
#2 Olney
Unincorporated area of Montgomery County, Maryland, United States of America
| Population | 33,844 |
| Coordinates | 39.1531600, -77.0669200 |
| Altitude | 165 |
| Country | United States |
End: Georgia Avenue (-77.066929, 39.153178)
Estimated Travel Time
Distance: 53 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 05m |
| 40 mph (64.37 km/h) | 00h 49m |
| 50 mph (80.47 km/h) | 00h 39m |
| 60 mph (96.56 km/h) | 00h 32m |
| 70 mph (112.65 km/h) | 00h 28m |
| 80 mph (129 km/h) | 00h 24m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $4.74 | $9.48 |
| Mid-grade | $4.60 | $5.33 | $10.67 |
| Premium | $4.95 | $5.75 | $11.49 |
| Diesel | $5.98 | $6.94 | $13.87 |
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.