How far is Olney, MD from Gaithersburg, MD?
The driving distance from Olney, MD to Gaithersburg, MD is about 10.7 miles (17.2 km), with a travel time of about 00h 15m by car.
- The straight-line flight distance is about 7.2 miles (11.6 km).
- For a round trip, plan for roughly 00h 31m 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 15m.
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.
A census-designated place in Prince George's County, Maryland.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers Likely
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Olney and Gaithersburg.
Turn-by-Turn Driving Directions
Step-by-step road directions between Olney and Gaithersburg.
-
1
Start on Georgia Avenue
2.3 mi · 5 min · Georgia Avenue
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2
Take the ramp slight right toward MD 200 Toll West
2241 ft · 55 sec
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3
Merge slight left onto Intercounty Connector
5.3 mi · 7 min · Intercounty Connector
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4
Continue straight
2718 ft · 41 sec
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5
Take the exit slight right toward MD 355: Rockville, Gaithersburg
1906 ft · 47 sec
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6
Turn right onto Frederick Road
1160 ft · 27 sec · Frederick Road
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7
Continue on South Frederick Avenue
1.6 mi · 3 min · South Frederick Avenue
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8
Turn left
26 m · 6 sec
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9
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Olney and Gaithersburg.
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.
Intercounty Connector
Merge slight left onto Intercounty Connector
5.31 mi · 00h 07m
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.
Rain Showers Likely leaving Olney and Chance Rain Showers near Gaithersburg.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Olney to Gaithersburg?
The road trip is about 10.7 miles (17.2 km) and usually takes 00h 15m 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?
Redland is a useful midpoint, sitting about 5.3 miles from Olney and 5.3 miles from Gaithersburg.
How much longer is the road route than the straight-line distance?
The direct path is about 7.2 miles (11.6 km), while the road route adds roughly 3.5 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 7:58 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $1.55 one way or $3.11 round trip. Estimated CO2 is about 3.4 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely around Olney and Chance Rain Showers near Gaithersburg.
Stop Ideas Near Redland
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 Redland.
Rockville station
Washington Union Station
New Carrollton station
Frederick Airport, MD
Flight Path Map
This map shows the direct air route between Olney and Gaithersburg. Straight-line distance: 7.23 mi (11.64 km).
#1 Olney
Unincorporated area of Montgomery County, Maryland, United States of America
| Population | 33,844 |
| Coordinates | 39.1531600, -77.0669200 |
| Altitude | 165 |
| Country | United States |
#2 Gaithersburg
The second most populous city in Montgomery County, Maryland.
| Population | 67,741 |
| Coordinates | 39.1434400, -77.2013700 |
| Altitude | 153 |
| Country | United States |
End: (-77.201269, 39.143361)
Estimated Travel Time
Distance: 17 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 21m |
| 40 mph (64.37 km/h) | 00h 16m |
| 50 mph (80.47 km/h) | 00h 12m |
| 60 mph (96.56 km/h) | 00h 10m |
| 70 mph (112.65 km/h) | 00h 09m |
| 80 mph (129 km/h) | 00h 08m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $1.55 | $3.11 |
| Mid-grade | $4.60 | $1.75 | $3.50 |
| Premium | $4.95 | $1.88 | $3.77 |
| Diesel | $5.98 | $2.27 | $4.54 |
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 · May 07, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.