How far is Croom, MD from Gaithersburg, MD?
The driving distance from Croom, MD to Gaithersburg, MD is about 48 miles (77.2 km), with a travel time of about 01h 00m by car.
- The straight-line flight distance is about 35.8 miles (57.6 km).
- For a round trip, plan for roughly 02h 01m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EST.
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 01h 00m.
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 in Prince George's County, Maryland, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Croom and Gaithersburg.
Turn-by-Turn Driving Directions
Step-by-step road directions between Croom and Gaithersburg.
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1
Start on the route
18 m · 6 sec
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2
Turn left onto Croom Road
2.2 mi · 4 min · Croom Road
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3
Turn right onto Croom Station Road
2.5 mi · 6 min · Croom Station Road
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4
At the end of the road, turn right onto Old Crain Highway
1380 ft · 43 sec · Old Crain Highway
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5
Take the ramp left toward MD 4 North: Washington
1048 ft · 26 sec
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6
Merge slight left onto Pennsylvania Avenue
1781 ft · 28 sec · Pennsylvania Avenue
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7
Take the exit slight right toward Ritchie Marlboro Road
1515 ft · 37 sec
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8
Turn straight onto Ritchie Marlboro Road
5 mi · 9 min · Ritchie Marlboro Road
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9
Turn left onto Ritchie Marlboro Road
1751 ft · 41 sec · Ritchie Marlboro Road
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10
Take the ramp slight right toward I 95 North, I 495 North
2476 ft · 1 min
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11
Merge slight left onto Capital Beltway
12.5 mi · 17 min · Capital Beltway
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12
Keep slight left to continue on Capital Beltway
9.5 mi · 12 min · Capital Beltway
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13
Keep slight right to continue on I 270 North: Frederick
3.6 mi · 5 min
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14
Keep slight right to continue on I 270 North
7.3 mi · 10 min
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15
Take the exit slight right toward MD 117, MD 124 South: Clopper Road, West Diamond Avenue, Quince Orchard Road
1387 ft · 42 sec
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16
Turn left onto West Diamond Avenue
2537 ft · 51 sec · West Diamond Avenue
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17
Turn left onto Meem Avenue
616 ft · 29 sec · Meem Avenue
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18
Turn right onto Chestnut Street
1033 ft · 35 sec · Chestnut Street
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19
Turn right onto North Frederick Avenue
77 m · 7 sec · 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 Croom 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.
Capital Beltway
Merge slight left onto Capital Beltway
12.5 mi · 00h 17m
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.
Sunny leaving Croom and Sunny near Gaithersburg.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Croom to Gaithersburg?
The road trip is about 48 miles (77.2 km) and usually takes 01h 00m 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?
Beltsville is a useful midpoint, sitting about 22.8 miles from Croom and 25.2 miles from Gaithersburg.
How much longer is the road route than the straight-line distance?
The direct path is about 35.8 miles (57.6 km), while the road route adds roughly 12.2 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 EST. If you want a more comfortable same-day return, try to leave by 4:28 PM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.63 one way or $13.26 round trip. Estimated CO2 is about 15 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Croom and Sunny near Gaithersburg.
Stop Ideas Near Beltsville
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
United States Capitol
D C Government
THEARC: Town Hall Education Arts Recreation Campus
Town Hall Liquor And Bar
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Beltsville.
New Carrollton station
Washington Union Station
Rockville station
BWI Rail Station
Flight Path Map
This map shows the direct air route between Croom and Gaithersburg. Straight-line distance: 35.8 mi (57.62 km).
#1 Croom
Croom is a place in Maryland, United States.
| Population | 0 |
| Coordinates | 38.7526200, -76.7638600 |
| Altitude | 72 |
| 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: 77 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 35m |
| 40 mph (64.37 km/h) | 01h 11m |
| 50 mph (80.47 km/h) | 00h 57m |
| 60 mph (96.56 km/h) | 00h 47m |
| 70 mph (112.65 km/h) | 00h 41m |
| 80 mph (129 km/h) | 00h 35m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.92 | $6.63 | $13.26 |
| Mid-grade | $4.55 | $7.69 | $15.38 |
| Premium | $4.87 | $8.23 | $16.46 |
| Diesel | $6.28 | $10.61 | $21.22 |
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 · Nov 09, 2026