How far is Saint James, MD from Gaithersburg, MD?
The driving distance from Saint James, MD to Gaithersburg, MD is about 51.9 miles (83.5 km), with a travel time of about 00h 56m by car.
- The straight-line flight distance is about 41.5 miles (66.8 km).
- For a round trip, plan for roughly 01h 52m 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 00h 56m.
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.
Town in Frederick County, Maryland, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Patchy Fog
Driving Route Map
The map below follows the saved road route between Saint James and Gaithersburg.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint James and Gaithersburg.
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1
Start on the route
670 ft · 54 sec
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2
At the end of the road, turn right onto Lappans Road
1.3 mi · 3 min · Lappans Road
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3
Turn left onto Sharpsburg Pike
3.6 mi · 6 min · Sharpsburg Pike
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4
Take the ramp straight toward I 70 East
75 m · 13 sec
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5
Turn left onto I 70 East: Frederick
1225 ft · 30 sec
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6
Merge slight left onto Dwight D Eisenhower Highway
23.7 mi · 26 min · Dwight D Eisenhower Highway
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7
Take the exit slight right toward I 270 South: Washington
2112 ft · 52 sec
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8
Continue on Eisenhower Memorial Highway
19.9 mi · 25 min · Eisenhower Memorial Highway
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9
Take the exit slight right toward MD 124: Montgomery Village Avenue, Quince Orchard Road
1.3 km · 2 min
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10
Keep slight left to continue on MD 124 North: Montgomery Village Avenue
39 m · 5 sec
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11
Turn left onto Quince Orchard Road
2237 ft · 45 sec · Quince Orchard Road
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12
Turn right onto North Frederick Avenue
1.4 km · 2 min · North Frederick Avenue
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13
Turn right
26 m · 6 sec
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14
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Saint James 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.
Dwight D Eisenhower Highway
Merge slight left onto Dwight D Eisenhower Highway
23.7 mi · 00h 26m
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.
Partly Sunny leaving Saint James and Patchy Fog near Gaithersburg.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint James to Gaithersburg?
The road trip is about 51.9 miles (83.5 km) and usually takes 00h 56m 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?
Braddock Heights is a useful midpoint, sitting about 25.7 miles from Saint James and 26.2 miles from Gaithersburg.
How much longer is the road route than the straight-line distance?
The direct path is about 41.5 miles (66.8 km), while the road route adds roughly 10.4 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 EST. If you want a more comfortable same-day return, try to leave by 4:38 PM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $7.26 one way or $14.52 round trip. Estimated CO2 is about 16.3 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Saint James and Patchy Fog near Gaithersburg.
Stop Ideas Near Braddock Heights
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 Braddock Heights.
Frederick, MD
Frederick Airport, MD
Harpers Ferry
Hagerstown, MD
Flight Path Map
This map shows the direct air route between Saint James and Gaithersburg. Straight-line distance: 41.51 mi (66.81 km).
#1 Saint James
Saint James is a place in Maryland, United States.
| Population | 0 |
| Coordinates | 39.5626000, -77.7580500 |
| Altitude | 139 |
| 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: 84 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 43m |
| 40 mph (64.37 km/h) | 01h 17m |
| 50 mph (80.47 km/h) | 01h 02m |
| 60 mph (96.56 km/h) | 00h 51m |
| 70 mph (112.65 km/h) | 00h 44m |
| 80 mph (129 km/h) | 00h 38m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.97 | $7.26 | $14.52 |
| Mid-grade | $4.58 | $8.38 | $16.77 |
| Premium | $4.90 | $8.97 | $17.94 |
| Diesel | $6.31 | $11.55 | $23.10 |
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 05, 2026