How far is Bethesda, MD from Thurmont, MD?

The driving distance from Bethesda, MD to Thurmont, MD is about 53 miles (85.3 km), with a travel time of about 01h 14m by car.

  • The straight-line flight distance is about 47.4 miles (76.3 km).
  • For a round trip, plan for roughly 02h 28m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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
53.02 mi
01h 14m
Flight
47.43 mi
76.33 km direct

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

Learn Distance

Choose another destination from Bethesda.

Flight Distance

Direct air line
47.43 mi
Kilometers
76.33 km
Flight Time
00h 05m

Driving Distance

Road route
53.02 mi
Kilometers
85.33 km
Drive Time
01h 14m

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 14m.

Arrival Snapshot
Arrive in Thurmont
Tue, May 12, 8:35 PM EDT
Return by in Bethesda
Tue, May 12, 9:49 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Bethesda
2026-05-12T19:21
Arrive Thurmont
Tue, May 12, 8:35 PM EDT
Route Timing
01h 14m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:14 AM to 11:14 AM EDT

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

Leave by
4:02 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Bethesda
9:30 PM EDT
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
Green Valley
MD

Town in Frederick County, Maryland, United States

From Bethesda
26.5 mi
00h 37m
To Thurmont
26.5 mi
00h 37m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
72°F
Today

Sunny

Starts
Tue, May 12 6:00 AM EDT
Wind
1 to 6 mph NW
Destination
65°F
Tuesday

Sunny

Starts
Tue, May 12 6:00 AM EDT
Wind
2 to 7 mph E

Driving Route Map

The map below follows the saved road route between Bethesda and Thurmont.

Turn-by-Turn Driving Directions

Step-by-step road directions between Bethesda and Thurmont.

  1. 1

    Start on the route

    14 m · 5 sec

  2. 2

    Turn right onto Bethesda Avenue

    156 m · 25 sec · Bethesda Avenue

  3. 3

    Turn left onto Arlington Road

    1403 ft · 56 sec · Arlington Road

  4. 4

    Turn right onto Edgemoor Lane

    1451 ft · 51 sec · Edgemoor Lane

  5. 5

    Turn left onto Wisconsin Avenue

    1 km · 1 min · Wisconsin Avenue

  6. 6

    Continue on Rockville Pike

    1.6 mi · 4 min · Rockville Pike

  7. 7

    Take the ramp slight left toward I 270 North: Frederick

    1747 ft · 33 sec

  8. 8

    Merge slight left

    3.3 mi · 5 min

  9. 9

    Keep slight left to continue on I 270 North

    7 mi · 10 min

  10. 10

    Take the exit slight right toward MD 117, MD 124 North: Clopper Road, West Diamond Avenue, Montgomery Village Avenue, Quince Orchard Road, Watkins Mill Road

    1052 ft · 16 sec

  11. 11

    Merge slight right

    21 mi · 26 min

  12. 12

    Continue on Frederick Freeway

    4.5 mi · 6 min · Frederick Freeway

  13. 13

    Continue on Catoctin Mountain Highway

    11.8 mi · 16 min · Catoctin Mountain Highway

  14. 14

    Turn right onto Blue Mountain Road

    693 ft · 24 sec · Blue Mountain Road

  15. 15

    Turn left onto Catoctin Furnace Road

    1.5 km · 2 min · Catoctin Furnace Road

  16. 16

    Continue on Frederick Road

    1 km · 1 min · Frederick Road

  17. 17

    At the end of the road, turn left onto Water Street

    677 ft · 28 sec · Water Street

  18. 18

    Turn right onto East Main Street

    62 m · 3 sec · East Main Street

  19. 19

    Arrive at your destination

    0 m · 1 sec · East Main Street

Car Route Details

A richer read on the saved driving route between Bethesda and Thurmont.

OSRM road route
Drive Character

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.

Directions
19 steps
8 turns on the saved route
Ramps & Exits
4
2 merges, 2 ramps or exits
Navigation Density
35.8 / 100 mi
Decision points by distance
Main Roads
MD 117
21.2 mi · 40%
Catoctin Mountain Highway
11.8 mi · 22%
I 270 North
10.7 mi · 20%
Frederick Freeway
4.53 mi · 9%
Rockville Pike
1.61 mi · 3%
Catoctin Furnace Road
0.91 mi · 2%
Longest Stretch

MD 117

Merge slight right

21 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 14m
Day trip friendly
Same-Day Return
02h 28m
Round-trip wheel time
Road vs Air
+5.6 mi
47.4 mi direct line
Halfway Stop
Green Valley
00h 37m from Bethesda
Leave By
4:02 PM EDT
Morning start is best
Weather Watch

Sunny leaving Bethesda and Sunny near Thurmont.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Bethesda to Thurmont?

The road trip is about 53 miles (85.3 km) and usually takes 01h 14m 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?

Green Valley is a useful midpoint, sitting about 26.5 miles from Bethesda and 26.5 miles from Thurmont.

How much longer is the road route than the straight-line distance?

The direct path is about 47.4 miles (76.3 km), while the road route adds roughly 5.6 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 4:02 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $7.64 one way or $15.28 round trip. Estimated CO2 is about 16.6 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Bethesda and Sunny near Thurmont.

Stop Ideas Near Green Valley

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

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Green Valley and the surrounding midpoint area.
Griffith Park at City Hall
Scenic stop 13 mi away

Griffith Park at City Hall

Gaithersburg , MD
29 S Summit Ave, Gaithersburg, MD 20877, United States
Rating 4.6/5 57 reviews Park
Gaithersburg City Hall
Meeting point 13 mi away

Gaithersburg City Hall

Gaithersburg , MD
31 S Summit Ave, Gaithersburg, MD 20877
Rating 4.1/5 14 reviews City Hall,City clerk's office,City government office

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Green Valley.

BUS

Frederick Airport, MD

14 mi away
1341 Hughes Ford Road
RAIL

Frederick, MD

15 mi away
100 South East Street
RAIL

Rockville station

28 mi away
251 Hungerford Drive at Park Rd.
RAIL

Harpers Ferry

38 mi away
Potomac St. & Shenandoah St.

Flight Path Map

This map shows the direct air route between Bethesda and Thurmont. Straight-line distance: 47.43 mi (76.33 km).

Bethesda

#1 Bethesda

A census-designated place (CDP) in Montgomery County, Maryland.

Population62,448
Coordinates38.9806700, -77.1002600
Altitude97
CountryUnited States
Thurmont

#2 Thurmont

Town in Frederick County, Maryland, United States

Population7,070
Coordinates39.6237100, -77.4108200
Altitude158
CountryUnited States
Start: Bethesda (-77.10026, 38.98067)
End: Thurmont (-77.41082, 39.62371)

Estimated Travel Time

Distance: 85 km by road

SpeedTime
30 mph (48.3 km/h)01h 46m
40 mph (64.37 km/h)01h 19m
50 mph (80.47 km/h)01h 03m
60 mph (96.56 km/h)00h 53m
70 mph (112.65 km/h)00h 45m
80 mph (129 km/h)00h 39m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.87 gal
7.08 L · about $7.64
Round trip
$15.28
3.74 gal · 14.16 L
Estimated CO2
16.6 kg one way
Round trip: 33.2 kg / 73 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $7.64 $15.28
Mid-grade $4.60 $8.60 $17.20
Premium $4.95 $9.26 $18.53
Diesel $5.98 $11.18 $22.37

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 · May 12, 2026

There is no time difference between Bethesda and Thurmont. The current time is 19:21:07.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

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