How far is Gaithersburg, MD from Algonquin, MD?
The driving distance from Gaithersburg, MD to Algonquin, MD is about 105.6 miles (170 km), with a travel time of about 02h 31m by car.
- The straight-line flight distance is about 70.5 miles (113.5 km).
- For a round trip, plan for roughly 05h 02m 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 02h 31m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Park in Anne Arundel County, Maryland, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Gaithersburg and Algonquin.
Turn-by-Turn Driving Directions
Step-by-step road directions between Gaithersburg and Algonquin.
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1
Start on the route
26 m · 12 sec
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2
Turn left onto North Frederick Avenue
77 m · 12 sec · North Frederick Avenue
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3
Turn left onto Chestnut Street
1664 ft · 50 sec · Chestnut Street
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4
Turn right onto West Diamond Avenue
2663 ft · 1 min · West Diamond Avenue
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5
Take the ramp left toward I 270 South: Washington
1531 ft · 39 sec
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6
Merge slight left onto Eisenhower Memorial Highway
1.4 mi · 2 min · Eisenhower Memorial Highway
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7
Keep slight left
6.6 mi · 9 min
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8
Keep slight left to continue on I 270 South: Silver Spring, College Park
2.8 mi · 4 min
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9
Merge slight right onto Capital Beltway
16.3 mi · 21 min · Capital Beltway
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10
Take the exit slight right toward US 50 East: Annapolis
1 mi · 2 min
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11
Merge slight left onto John Hanson Highway
18.7 mi · 22 min · John Hanson Highway
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12
Continue on Blue Star Memorial Highway
21.6 mi · 30 min · Blue Star Memorial Highway
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13
Keep slight right to continue on US 50 East: Ocean City, Rehoboth
33.3 mi · 48 min
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14
Turn right onto Maryland Avenue
3265 ft · 2 min · Maryland Avenue
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15
Continue on Muse Street
111 m · 17 sec · Muse Street
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16
At the end of the road, turn left onto Gay Street
112 m · 16 sec · Gay Street
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17
Turn right onto Poplar Street
124 m · 13 sec · Poplar Street
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18
Continue on Locust Street
2927 ft · 2 min · Locust Street
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19
At the end of the road, turn left onto Glenburn Avenue
75 m · 13 sec · Glenburn Avenue
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20
Turn right onto Glasgow Street
3130 ft · 2 min · Glasgow Street
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21
Continue on Sandy Hill Road
1 km · 3 min · Sandy Hill Road
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22
Turn left onto Shawnee Road
574 ft · 25 sec · Shawnee Road
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23
Arrive at your destination
0 m · 1 sec · Shawnee Road
Car Route Details
A richer read on the saved driving route between Gaithersburg and Algonquin.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
US 50 East
Keep slight right to continue on US 50 East: Ocean City, Rehoboth
33.3 mi · 00h 48m
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.
Mostly Sunny leaving Gaithersburg and Mostly Sunny near Algonquin.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Gaithersburg to Algonquin?
The road trip is about 105.6 miles (170 km) and usually takes 02h 31m 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?
Cape Saint Claire is a useful midpoint, sitting about 52.8 miles from Gaithersburg and 52.8 miles from Algonquin.
How much longer is the road route than the straight-line distance?
The direct path is about 70.5 miles (113.5 km), while the road route adds roughly 35.1 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 1:28 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $15.24 one way or $30.48 round trip. Estimated CO2 is about 33.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Gaithersburg and Mostly Sunny near Algonquin.
Stop Ideas Near Cape Saint Claire
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 Cape Saint Claire.
Kent Island, MD
BWI Rail Station
Pennsylvania Station
New Carrollton station
Flight Path Map
This map shows the direct air route between Gaithersburg and Algonquin. Straight-line distance: 70.53 mi (113.5 km).
#1 Gaithersburg
The second most populous city in Montgomery County, Maryland.
| Population | 67,741 |
| Coordinates | 39.1434400, -77.2013700 |
| Altitude | 153 |
| Country | United States |
#2 Algonquin
Algonquin is a place in Maryland, United States.
| Population | 0 |
| Coordinates | 38.5829000, -76.1057700 |
| Altitude | 4 |
| Country | United States |
End: Algonquin (-76.10577, 38.5829)
Estimated Travel Time
Distance: 170 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 31m |
| 40 mph (64.37 km/h) | 02h 38m |
| 50 mph (80.47 km/h) | 02h 06m |
| 60 mph (96.56 km/h) | 01h 45m |
| 70 mph (112.65 km/h) | 01h 30m |
| 80 mph (129 km/h) | 01h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $15.24 | $30.48 |
| Mid-grade | $4.60 | $17.15 | $34.31 |
| Premium | $4.95 | $18.48 | $36.96 |
| Diesel | $5.98 | $22.31 | $44.61 |
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 15, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.