How far is Gaithersburg, MD from Saint James, MD?

The driving distance from Gaithersburg, MD to Saint James, MD is about 51.3 miles (82.6 km), with a travel time of about 01h 04m by car.

  • The straight-line flight distance is about 41.5 miles (66.8 km).
  • For a round trip, plan for roughly 02h 08m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EST.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
51.33 mi
01h 04m
Flight
41.51 mi
66.81 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Gaithersburg.

Flight Distance

Direct air line
41.51 mi
Kilometers
66.81 km
Flight Time
00h 05m

Driving Distance

Road route
51.33 mi
Kilometers
82.61 km
Drive Time
01h 04m

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 04m.

Arrival Snapshot
Arrive in Saint James
Fri, Nov 6, 11:19 AM EST
Return by in Gaithersburg
Fri, Nov 6, 12:23 PM EST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Gaithersburg
2026-11-06T10:15
Arrive Saint James
Fri, Nov 6, 11:19 AM EST
Route Timing
01h 04m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EST
Aim for a morning departure
Arrive between
9:04 AM to 11:04 AM EST

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:22 PM EST
Keeps a same-day return open with about 03h 00m at the destination.
Back in Gaithersburg
9:30 PM EST
Morning start is best

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.

Mid-route stop
Braddock Heights
MD

Town in Frederick County, Maryland, United States

From Gaithersburg
25.7 mi
00h 32m
To Saint James
25.7 mi
00h 32m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
59°F
Overnight

Patchy Fog

Starts
Fri, Nov 6 2:00 AM EST
Wind
5 mph SW
Destination
69°F
Friday

Partly Sunny

Starts
Fri, Nov 6 6:00 AM EST
Wind
1 to 5 mph NW

Driving Route Map

The map below follows the saved road route between Gaithersburg and Saint James.

Turn-by-Turn Driving Directions

Step-by-step road directions between Gaithersburg and Saint James.

  1. 1

    Start on the route

    26 m · 12 sec

  2. 2

    Turn left onto North Frederick Avenue

    1.4 km · 1 min · North Frederick Avenue

  3. 3

    Turn left onto Quince Orchard Road

    1131 ft · 28 sec · Quince Orchard Road

  4. 4

    Take the ramp slight right toward I 270 North

    1199 ft · 29 sec

  5. 5

    Merge slight left

    20.2 mi · 25 min

  6. 6

    Take the exit slight right toward I 70: Hagerstown, Baltimore

    1986 ft · 31 sec

  7. 7

    Keep slight left to continue on I 70 West: Hagerstown

    1899 ft · 29 sec

  8. 8

    Merge slight right

    23.7 mi · 26 min

  9. 9

    Take the exit slight right toward MD 65: Sharpsburg, Hagerstown

    829 ft · 20 sec

  10. 10

    Keep slight left to continue on MD 65 South: Sharpsburg, National Parks, Maryland Correctional Facilities

    43 m · 5 sec

  11. 11

    Turn left onto Sharpsburg Pike

    3.8 mi · 6 min · Sharpsburg Pike

  12. 12

    Turn right onto Lappans Road

    1.3 mi · 3 min · Lappans Road

  13. 13

    Turn left

    670 ft · 49 sec

  14. 14

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Gaithersburg and Saint James.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
14 steps
5 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
27.3 / 100 mi
Decision points by distance
Main Roads
I 70 West
24 mi · 47%
I 270 North
20.4 mi · 40%
Sharpsburg Pike
3.83 mi · 7%
Lappans Road
1.31 mi · 3%
North Frederick Avenue
0.86 mi · 2%
I 70
0.38 mi · 1%
Longest Stretch

I 70 West

Merge slight right

23.7 mi · 00h 26m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
01h 04m
Day trip friendly
Same-Day Return
02h 08m
Round-trip wheel time
Road vs Air
+9.8 mi
41.5 mi direct line
Halfway Stop
Braddock Heights
00h 32m from Gaithersburg
Leave By
4:22 PM EST
Morning start is best
Weather Watch

Patchy Fog leaving Gaithersburg and Partly Sunny near Saint James.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Gaithersburg to Saint James?

The road trip is about 51.3 miles (82.6 km) and usually takes 01h 04m 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 Gaithersburg and 25.7 miles from Saint James.

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 9.8 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 4:22 PM EST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $7.18 one way or $14.36 round trip. Estimated CO2 is about 16.1 kg one way.

What should you check before leaving?

Before you leave, expect Patchy Fog around Gaithersburg and Partly Sunny near Saint James.

Stop Ideas Near Braddock Heights

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Braddock Heights, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Braddock Heights.

RAIL

Frederick, MD

8 mi away
100 South East Street
BUS

Frederick Airport, MD

10 mi away
1341 Hughes Ford Road
RAIL

Harpers Ferry

22 mi away
Potomac St. & Shenandoah St.
BUS

Hagerstown, MD

31 mi away
123 West Franklin Street

Flight Path Map

This map shows the direct air route between Gaithersburg and Saint James. Straight-line distance: 41.51 mi (66.81 km).

Gaithersburg

#1 Gaithersburg

The second most populous city in Montgomery County, Maryland.

Population67,741
Coordinates39.1434400, -77.2013700
Altitude153
CountryUnited States
Photo coming soon

#2 Saint James

Saint James is a place in Maryland, United States.

Population0
Coordinates39.5626000, -77.7580500
Altitude139
CountryUnited States
Start: Gaithersburg (-77.20137, 39.14344)
End: Saint James (-77.75805, 39.5626)

Estimated Travel Time

Distance: 83 km by road

SpeedTime
30 mph (48.3 km/h)01h 42m
40 mph (64.37 km/h)01h 17m
50 mph (80.47 km/h)01h 01m
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.

One-way fuel
1.81 gal
6.86 L · about $7.18
Round trip
$14.36
3.62 gal · 13.72 L
Estimated CO2
16.1 kg one way
Round trip: 32.2 kg / 71 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.97 $7.18 $14.36
Mid-grade $4.58 $8.29 $16.58
Premium $4.90 $8.87 $17.74
Diesel $6.31 $11.42 $22.85

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

There is no time difference between Gaithersburg and Saint James. The current time is 10:15:04.

Distance to Other Cities

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.