How far is Mount Airy, MD from Gaithersburg, MD?
The driving distance from Mount Airy, MD to Gaithersburg, MD is about 20.7 miles (33.3 km), with a travel time of about 00h 36m by car.
- The straight-line flight distance is about 16.3 miles (26.2 km).
- For a round trip, plan for roughly 01h 13m 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 36m.
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.
Town in Frederick County, Maryland, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers
Rain Showers Likely
Driving Route Map
The map below follows the saved road route between Mount Airy and Gaithersburg.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mount Airy and Gaithersburg.
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1
Start on Veterans Way
36 m · 10 sec · Veterans Way
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2
Turn left onto Center Street
32 m · 10 sec · Center Street
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3
Turn left onto South Main Street
1.1 mi · 2 min · South Main Street
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4
Continue on South Main Street
716 ft · 14 sec · South Main Street
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5
Turn right onto Ridge Road
5 mi · 9 min · Ridge Road
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6
Turn left onto Woodfield Road
1.5 mi · 3 min · Woodfield Road
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7
Turn right onto Valley Park Drive
1.3 km · 2 min · Valley Park Drive
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8
At the end of the road, turn left onto Ridge Road
5.3 mi · 10 min · Ridge Road
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9
Turn left onto Frederick Road
3 mi · 5 min · Frederick Road
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10
Continue on North Frederick Avenue
2.1 mi · 4 min · North Frederick Avenue
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11
Turn right
26 m · 6 sec
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12
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Mount Airy 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.
Ridge Road
At the end of the road, turn left onto Ridge Road
5.3 mi · 00h 10m
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 leaving Mount Airy and Rain Showers Likely near Gaithersburg.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Mount Airy to Gaithersburg?
The road trip is about 20.7 miles (33.3 km) and usually takes 00h 36m 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?
Green Valley is a useful midpoint, sitting about 9.5 miles from Mount Airy and 11.2 miles from Gaithersburg.
How much longer is the road route than the straight-line distance?
The direct path is about 16.3 miles (26.2 km), while the road route adds roughly 4.4 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 7:16 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.98 one way or $5.97 round trip. Estimated CO2 is about 6.5 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers around Mount Airy and Rain Showers Likely near Gaithersburg.
Stop Ideas Near Green Valley
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Griffith Park at City Hall
Gaithersburg City Hall
City of Rockville City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Green Valley.
Frederick Airport, MD
Frederick, MD
Rockville station
Harpers Ferry
Flight Path Map
This map shows the direct air route between Mount Airy and Gaithersburg. Straight-line distance: 16.27 mi (26.19 km).
#1 Mount Airy
City in Surry County, North Carolina, United States
| Population | 9,502 |
| Coordinates | 39.3762100, -77.1547000 |
| Altitude | 238 |
| 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: 33 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 41m |
| 40 mph (64.37 km/h) | 00h 31m |
| 50 mph (80.47 km/h) | 00h 24m |
| 60 mph (96.56 km/h) | 00h 20m |
| 70 mph (112.65 km/h) | 00h 17m |
| 80 mph (129 km/h) | 00h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $2.98 | $5.97 |
| Mid-grade | $4.60 | $3.36 | $6.71 |
| Premium | $4.95 | $3.62 | $7.23 |
| Diesel | $5.98 | $4.37 | $8.73 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.