How far is Baltimore, MD from Gaithersburg, MD?
The driving distance from Baltimore, MD to Gaithersburg, MD is about 42 miles (67.6 km), with a travel time of about 00h 46m by car.
- The straight-line flight distance is about 33.1 miles (53.3 km).
- For a round trip, plan for roughly 01h 32m 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 46m.
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.
Census designated place
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Baltimore and Gaithersburg.
Turn-by-Turn Driving Directions
Step-by-step road directions between Baltimore and Gaithersburg.
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1
Start on East Fayette Street
149 m · 23 sec · East Fayette Street
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2
Turn left onto Saint Paul Street
95 m · 11 sec · Saint Paul Street
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3
Continue on Light Street
1913 ft · 1 min · Light Street
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4
Turn right onto East Conway Street
1625 ft · 52 sec · East Conway Street
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5
Turn left onto Cal Ripken Way
1.1 km · 2 min · Cal Ripken Way
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6
Keep slight left to continue on I 95 South: Washington
1.2 km · 1 min
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7
Merge slight left
20.4 mi · 24 min
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8
Take the exit slight right toward MD 200 Toll West
1.5 km · 1 min
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9
Merge slight left onto Intercounty Connector
9.5 mi · 12 min · Intercounty Connector
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10
Continue on Intercounty Connector
6.2 mi · 8 min · Intercounty Connector
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11
Continue straight
2718 ft · 41 sec
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12
Take the exit slight right toward MD 355: Rockville, Gaithersburg
1906 ft · 47 sec
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13
Turn right onto Frederick Road
1160 ft · 27 sec · Frederick Road
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14
Continue on South Frederick Avenue
1.6 mi · 3 min · South Frederick Avenue
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15
Turn left
26 m · 6 sec
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16
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Baltimore 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.
I 95 South
Merge slight left
20.4 mi · 00h 24m
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.
Cloudy leaving Baltimore and Mostly Cloudy near Gaithersburg.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Baltimore to Gaithersburg?
The road trip is about 42 miles (67.6 km) and usually takes 00h 46m 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?
West Laurel is a useful midpoint, sitting about 21 miles from Baltimore and 21.1 miles from Gaithersburg.
How much longer is the road route than the straight-line distance?
The direct path is about 33.1 miles (53.3 km), while the road route adds roughly 8.9 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 4:58 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.05 one way or $12.09 round trip. Estimated CO2 is about 13.2 kg one way.
What should you check before leaving?
Before you leave, expect Cloudy around Baltimore and Mostly Cloudy near Gaithersburg.
Stop Ideas Near West Laurel
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City of Rockville City Hall
City of Bowie
Town Hall Liquor And Bar
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to West Laurel.
New Carrollton station
BWI Rail Station
Rockville station
Washington Union Station
Flight Path Map
This map shows the direct air route between Baltimore and Gaithersburg. Straight-line distance: 33.13 mi (53.32 km).
#1 Baltimore
The thirty-first most populous city in the United States and the center of the Baltimore metropolitan area.
| Population | 586,131 |
| Coordinates | 39.2903800, -76.6121900 |
| Altitude | 10 |
| 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: 68 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 23m |
| 40 mph (64.37 km/h) | 01h 03m |
| 50 mph (80.47 km/h) | 00h 50m |
| 60 mph (96.56 km/h) | 00h 42m |
| 70 mph (112.65 km/h) | 00h 36m |
| 80 mph (129 km/h) | 00h 31m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $6.05 | $12.09 |
| Mid-grade | $4.60 | $6.81 | $13.61 |
| Premium | $4.95 | $7.33 | $14.66 |
| Diesel | $5.98 | $8.85 | $17.70 |
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.