How far is Thurmont, MD from Bethesda, MD?

The driving distance from Thurmont, MD to Bethesda, MD is about 55.2 miles (88.9 km), with a travel time of about 01h 00m by car.

  • The straight-line flight distance is about 47.4 miles (76.3 km).
  • For a round trip, plan for roughly 02h 00m 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
55.23 mi
01h 00m
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 Thurmont.

Flight Distance

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

Driving Distance

Road route
55.23 mi
Kilometers
88.89 km
Drive Time
01h 00m

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 00m.

Arrival Snapshot
Arrive in Bethesda
Tue, May 12, 7:42 PM EDT
Return by in Thurmont
Tue, May 12, 8:43 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Thurmont
2026-05-12T18:42
Arrive Bethesda
Tue, May 12, 7:42 PM EDT
Route Timing
01h 00m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:00 AM to 11:00 AM EDT

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

Leave by
4:30 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Thurmont
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 Thurmont
26.5 mi
00h 30m
To Bethesda
28.7 mi
00h 30m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
65°F
Tuesday

Sunny

Starts
Tue, May 12 6:00 AM EDT
Wind
2 to 7 mph E
Destination
72°F
Today

Sunny

Starts
Tue, May 12 6:00 AM EDT
Wind
1 to 6 mph NW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on East Main Street

    62 m · 12 sec · East Main Street

  2. 2

    Turn left onto Water Street

    677 ft · 24 sec · Water Street

  3. 3

    Turn right onto Frederick Road

    1.1 km · 1 min · Frederick Road

  4. 4

    Turn right onto Tippin Drive

    540 ft · 21 sec · Tippin Drive

  5. 5

    Take the ramp left toward US 15 South

    1478 ft · 36 sec

  6. 6

    Merge slight left onto Catoctin Mountain Highway

    12.5 mi · 17 min · Catoctin Mountain Highway

  7. 7

    Continue on Frederick Freeway

    4 mi · 5 min · Frederick Freeway

  8. 8

    Continue on Eisenhower Memorial Highway

    22.9 mi · 29 min · Eisenhower Memorial Highway

  9. 9

    Keep slight left

    6.6 mi · 9 min

  10. 10

    Keep slight left to continue on I 270 South: Silver Spring, College Park

    2.5 mi · 3 min

  11. 11

    Take the exit slight left toward MD 355 South: Bethesda

    2013 ft · 38 sec

  12. 12

    Turn straight onto Rockville Pike

    1.6 mi · 4 min · Rockville Pike

  13. 13

    Continue on Wisconsin Avenue

    1 km · 1 min · Wisconsin Avenue

  14. 14

    Turn right onto Commerce Lane

    104 m · 17 sec · Commerce Lane

  15. 15

    Continue on Edgemoor Lane

    1112 ft · 42 sec · Edgemoor Lane

  16. 16

    Turn left onto Arlington Road

    1403 ft · 56 sec · Arlington Road

  17. 17

    Turn right onto Bethesda Avenue

    156 m · 22 sec · Bethesda Avenue

  18. 18

    Turn left

    14 m · 3 sec

  19. 19

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

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
19 steps
8 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
34.4 / 100 mi
Decision points by distance
Main Roads
Eisenhower Memorial Highway
29.5 mi · 53%
Catoctin Mountain Highway
12.5 mi · 23%
Frederick Freeway
4.02 mi · 7%
I 270 South
2.46 mi · 4%
Rockville Pike
1.57 mi · 3%
Frederick Road
0.67 mi · 1%
Longest Stretch

Eisenhower Memorial Highway

Continue on Eisenhower Memorial Highway

22.9 mi · 00h 29m

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 00m
Day trip friendly
Same-Day Return
02h 00m
Round-trip wheel time
Road vs Air
+7.8 mi
47.4 mi direct line
Halfway Stop
Green Valley
00h 30m from Thurmont
Leave By
4:30 PM EDT
Morning start is best
Weather Watch

Sunny leaving Thurmont and Sunny near Bethesda.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 55.2 miles (88.9 km) and usually takes 01h 00m 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 Thurmont and 28.7 miles from Bethesda.

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 7.8 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 EDT. If you want a more comfortable same-day return, try to leave by 4:30 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $7.97 one way or $15.94 round trip. Estimated CO2 is about 17.3 kg one way.

What should you check before leaving?

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

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 Thurmont and Bethesda. Straight-line distance: 47.43 mi (76.33 km).

Thurmont

#1 Thurmont

Town in Frederick County, Maryland, United States

Population7,070
Coordinates39.6237100, -77.4108200
Altitude158
CountryUnited States
Bethesda

#2 Bethesda

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

Population62,448
Coordinates38.9806700, -77.1002600
Altitude97
CountryUnited States
Start: East Main Street (-77.410905, 39.623518)
End: (-77.100214, 38.980669)

Estimated Travel Time

Distance: 89 km by road

SpeedTime
30 mph (48.3 km/h)01h 50m
40 mph (64.37 km/h)01h 22m
50 mph (80.47 km/h)01h 06m
60 mph (96.56 km/h)00h 55m
70 mph (112.65 km/h)00h 47m
80 mph (129 km/h)00h 41m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.95 gal
7.38 L · about $7.97
Round trip
$15.94
3.9 gal · 14.76 L
Estimated CO2
17.3 kg one way
Round trip: 34.7 kg / 77 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $7.97 $15.94
Mid-grade $4.60 $8.97 $17.94
Premium $4.95 $9.66 $19.32
Diesel $5.98 $11.66 $23.32

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 Thurmont and Bethesda. The current time is 18:42:31.

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.