How far is Gaithersburg, MD from South Gate, MD?
The driving distance from Gaithersburg, MD to South Gate, MD is about 43.1 miles (69.3 km), with a travel time of about 01h 01m by car.
- The straight-line flight distance is about 30.9 miles (49.7 km).
- For a round trip, plan for roughly 02h 03m 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 01m.
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.
Patchy Frost then Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Gaithersburg and South Gate.
Turn-by-Turn Driving Directions
Step-by-step road directions between Gaithersburg and South Gate.
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1
Start on the route
26 m · 8 sec
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2
Turn right onto North Frederick Avenue
993 ft · 17 sec · North Frederick Avenue
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3
Continue on South Frederick Avenue
1.4 mi · 2 min · South Frederick Avenue
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4
Continue on Frederick Road
1906 ft · 43 sec · Frederick Road
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5
Turn left onto Shady Grove Road
1.1 mi · 3 min · Shady Grove Road
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6
Turn left onto MD 200 Toll East
2888 ft · 1 min
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7
Merge slight left onto Intercounty Connector
15.9 mi · 20 min · Intercounty Connector
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8
Take the exit slight right toward I 95: Laurel, Burtonsville
2257 ft · 51 sec
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9
Keep slight left to continue on MD 198: Konterra Drive
2986 ft · 39 sec
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10
Keep slight left to continue on MD 198: Laurel, Burtonsville
1.5 km · 1 min
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11
Keep slight left to continue on MD 198 West: Burtonsville
2970 ft · 39 sec
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12
Keep slight left
1.2 km · 50 sec
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13
Merge slight left
8.4 mi · 10 min
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14
Take the exit slight right toward MD 100 East: Glen Burnie
1 km · 53 sec
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15
Merge slight left
7.4 mi · 10 min
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16
Take the exit slight right toward I 97: Annapolis, Baltimore
1403 ft · 34 sec
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17
Keep slight right to continue on I 97 South: Annapolis, Bay Bridge
2889 ft · 1 min
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18
Merge slight left
1.5 km · 1 min
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19
Take the exit slight right toward MD 3 Business: Glen Burnie, New Cut Road
2168 ft · 53 sec
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20
Keep slight left to continue on MD 3 Business: Glen Burnie, Veterans Highway
75 m · 8 sec
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21
Turn left onto Crain Highway
1.2 km · 2 min · Crain Highway
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22
Turn right onto Phirne Road
1.1 km · 3 min · Phirne Road
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23
Turn left onto Nolfield Drive
1448 ft · 2 min · Nolfield Drive
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24
Arrive at your destination
0 m · 1 sec · Nolfield Drive
Car Route Details
A richer read on the saved driving route between Gaithersburg and South Gate.
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.
Intercounty Connector
Merge slight left onto Intercounty Connector
15.9 mi · 00h 20m
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.
Patchy Frost then Sunny leaving Gaithersburg and Sunny near South Gate.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Gaithersburg to South Gate?
The road trip is about 43.1 miles (69.3 km) and usually takes 01h 01m 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 21.5 miles from Gaithersburg and 21.6 miles from South Gate.
How much longer is the road route than the straight-line distance?
The direct path is about 30.9 miles (49.7 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 4:26 PM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.96 one way or $11.93 round trip. Estimated CO2 is about 13.5 kg one way.
What should you check before leaving?
Before you leave, expect Patchy Frost then Sunny around Gaithersburg and Sunny near South Gate.
Stop Ideas Near West Laurel
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City of Rockville City Hall
D C Government
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 Gaithersburg and South Gate. Straight-line distance: 30.86 mi (49.67 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 South Gate
South Gate is a place in Maryland, United States.
| Population | 0 |
| Coordinates | 39.1290000, -76.6258000 |
| Altitude | 16 |
| Country | United States |
End: South Gate (-76.6258, 39.129)
Estimated Travel Time
Distance: 69 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 26m |
| 40 mph (64.37 km/h) | 01h 04m |
| 50 mph (80.47 km/h) | 00h 51m |
| 60 mph (96.56 km/h) | 00h 43m |
| 70 mph (112.65 km/h) | 00h 36m |
| 80 mph (129 km/h) | 00h 32m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.92 | $5.96 | $11.93 |
| Mid-grade | $4.55 | $6.91 | $13.83 |
| Premium | $4.87 | $7.40 | $14.80 |
| Diesel | $6.28 | $9.54 | $19.09 |
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