How far is Keedysville, MD from Gaithersburg, MD?
The driving distance from Keedysville, MD to Gaithersburg, MD is about 41.1 miles (66.1 km), with a travel time of about 00h 55m by car.
- The straight-line flight distance is about 35.7 miles (57.4 km).
- For a round trip, plan for roughly 01h 51m 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 55m.
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 Frederick County, Maryland, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers Likely
Rain Showers Likely
Driving Route Map
The map below follows the saved road route between Keedysville and Gaithersburg.
Turn-by-Turn Driving Directions
Step-by-step road directions between Keedysville and Gaithersburg.
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1
Start on Mount Vernon Drive
46 m · 11 sec · Mount Vernon Drive
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2
Turn left onto Antietam Drive
57 m · 12 sec · Antietam Drive
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3
Turn right onto South Main Street
3139 ft · 1 min · South Main Street
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4
Continue on Keedy Drive
141 m · 15 sec · Keedy Drive
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5
Turn right onto Shepherdstown Pike
1.6 mi · 2 min · Shepherdstown Pike
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6
Continue on Potomac Street
1.2 km · 1 min · Potomac Street
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7
Turn right onto South Main Street
1.2 km · 1 min · South Main Street
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8
Enter the roundabout and take exit 2 toward Old National Pike
35 m · 2 sec · Old National Pike
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9
Exit the roundabout onto Old National Pike
6.1 mi · 9 min · Old National Pike
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10
Continue on West Main Street
1.8 mi · 3 min · West Main Street
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11
Continue on Old National Pike
2.5 mi · 5 min · Old National Pike
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12
Take the ramp straight toward I 70 East
1995 ft · 49 sec
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13
Merge slight left
3.4 mi · 4 min
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14
Take the exit slight right toward I 270 South: Washington
2112 ft · 52 sec
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15
Continue on Eisenhower Memorial Highway
19.9 mi · 25 min · Eisenhower Memorial Highway
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16
Take the exit slight right toward MD 124: Montgomery Village Avenue, Quince Orchard Road
1.3 km · 2 min
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17
Keep slight left to continue on MD 124 North: Montgomery Village Avenue
39 m · 5 sec
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18
Turn left onto Quince Orchard Road
2237 ft · 45 sec · Quince Orchard Road
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19
Turn right onto North Frederick Avenue
1.4 km · 2 min · North Frederick Avenue
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20
Turn right
26 m · 6 sec
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21
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Keedysville and Gaithersburg.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Eisenhower Memorial Highway
Continue on Eisenhower Memorial Highway
19.9 mi · 00h 25m
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.
Rain Showers Likely leaving Keedysville 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 Keedysville to Gaithersburg?
The road trip is about 41.1 miles (66.1 km) and usually takes 00h 55m 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?
Ballenger Creek is a useful midpoint, sitting about 20.3 miles from Keedysville and 20.8 miles from Gaithersburg.
How much longer is the road route than the straight-line distance?
The direct path is about 35.7 miles (57.4 km), while the road route adds roughly 5.4 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 4:38 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.92 one way or $11.85 round trip. Estimated CO2 is about 12.9 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely around Keedysville and Rain Showers Likely near Gaithersburg.
Stop Ideas Near Ballenger Creek
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Ballenger Creek.
Frederick, MD
Frederick Airport, MD
Harpers Ferry
Hagerstown, MD
Flight Path Map
This map shows the direct air route between Keedysville and Gaithersburg. Straight-line distance: 35.64 mi (57.36 km).
#1 Keedysville
Town in Washington County, Maryland, United States
| Population | 1,220 |
| Coordinates | 39.4862100, -77.6997100 |
| Altitude | 120 |
| 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: 66 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 22m |
| 40 mph (64.37 km/h) | 01h 01m |
| 50 mph (80.47 km/h) | 00h 49m |
| 60 mph (96.56 km/h) | 00h 41m |
| 70 mph (112.65 km/h) | 00h 35m |
| 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 | $5.92 | $11.85 |
| Mid-grade | $4.60 | $6.67 | $13.34 |
| Premium | $4.95 | $7.18 | $14.37 |
| Diesel | $5.98 | $8.67 | $17.34 |
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.