How far is Bethesda, MD from New Windsor, MD?

The driving distance from Bethesda, MD to New Windsor, MD is about 47.8 miles (76.9 km), with a travel time of about 01h 19m by car.

  • The straight-line flight distance is about 38.8 miles (62.4 km).
  • For a round trip, plan for roughly 02h 38m 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
47.81 mi
01h 19m
Flight
38.79 mi
62.43 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
38.79 mi
Kilometers
62.43 km
Flight Time
00h 04m

Driving Distance

Road route
47.81 mi
Kilometers
76.95 km
Drive Time
01h 19m

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 19m.

Arrival Snapshot
Arrive in New Windsor
Sun, May 24, 8:13 PM EDT
Return by in Bethesda
Sun, May 24, 9:32 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Bethesda
2026-05-24T18:54
Arrive New Windsor
Sun, May 24, 8:13 PM EDT
Route Timing
01h 19m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:19 AM to 11:19 AM EDT

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

Leave by
3:52 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
23.9 mi
00h 39m
To New Windsor
23.9 mi
00h 39m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
66°F
Today

Cloudy

Starts
Sun, May 24 10:00 AM EDT
Wind
5 mph E
Destination
50°F
Overnight

Rain Showers

Starts
Sun, May 24 2:00 AM EDT
Wind
5 mph NE

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Bethesda and New Windsor.

  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

    3 mi · 4 min

  12. 12

    Take the exit slight right toward Middlebrook Road East

    1771 ft · 43 sec

  13. 13

    Turn straight onto Middlebrook Road

    2279 ft · 42 sec · Middlebrook Road

  14. 14

    Turn left onto Frederick Road

    1.6 mi · 3 min · Frederick Road

  15. 15

    Turn right onto Ridge Road

    5.3 mi · 10 min · Ridge Road

  16. 16

    Turn right onto Valley Park Drive

    1.3 km · 2 min · Valley Park Drive

  17. 17

    At the end of the road, turn left onto Woodfield Road

    1.5 mi · 3 min · Woodfield Road

  18. 18

    Turn right onto Ridge Road

    15.3 mi · 24 min · Ridge Road

  19. 19

    Turn left onto Marston Road

    3 mi · 5 min · Marston Road

  20. 20

    Continue on Marston Road

    1.3 km · 1 min · Marston Road

  21. 21

    Turn right onto New Windsor Road

    1.8 mi · 3 min · New Windsor Road

  22. 22

    Continue on High Street

    916 ft · 24 sec · High Street

  23. 23

    Turn left onto Church Street

    17 m · 2 sec · Church Street

  24. 24

    Arrive at your destination

    0 m · 1 sec · Church Street

Car Route Details

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

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
24 steps
13 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
50.2 / 100 mi
Decision points by distance
Main Roads
Ridge Road
20.6 mi · 43%
I 270 North
10.7 mi · 22%
Marston Road
3.8 mi · 8%
MD 117
3.18 mi · 7%
New Windsor Road
1.75 mi · 4%
Frederick Road
1.64 mi · 3%
Longest Stretch

Ridge Road

Turn right onto Ridge Road

15.3 mi · 00h 24m

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 19m
Day trip friendly
Same-Day Return
02h 38m
Round-trip wheel time
Road vs Air
+9 mi
38.8 mi direct line
Halfway Stop
Green Valley
00h 39m from Bethesda
Leave By
3:52 PM EDT
Morning start is best
Weather Watch

Cloudy leaving Bethesda and Rain Showers near New Windsor.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Bethesda to New Windsor?

The road trip is about 47.8 miles (76.9 km) and usually takes 01h 19m 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 23.9 miles from Bethesda and 23.9 miles from New Windsor.

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

The direct path is about 38.8 miles (62.4 km), while the road route adds roughly 9 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 3:52 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $6.91 one way or $13.81 round trip. Estimated CO2 is about 15 kg one way.

What should you check before leaving?

Before you leave, expect Cloudy around Bethesda and Rain Showers near New Windsor.

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 8.8 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 8.8 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
City of Rockville City Hall
Scenic stop 13.2 mi away

City of Rockville City Hall

Rockville , MD
111 Maryland Ave, Rockville, MD 20850, United States
Rating 4.5/5 4 reviews Park

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 New Windsor. Straight-line distance: 38.79 mi (62.43 km).

Bethesda

#1 Bethesda

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

Population62,448
Coordinates38.9806700, -77.1002600
Altitude97
CountryUnited States
New Windsor

#2 New Windsor

Town in Carroll County, Maryland, United States

Population1,404
Coordinates39.5420500, -77.1080400
Altitude152
CountryUnited States
Start: Bethesda (-77.10026, 38.98067)
End: New Windsor (-77.10804, 39.54205)

Estimated Travel Time

Distance: 77 km by road

SpeedTime
30 mph (48.3 km/h)01h 35m
40 mph (64.37 km/h)01h 11m
50 mph (80.47 km/h)00h 57m
60 mph (96.56 km/h)00h 47m
70 mph (112.65 km/h)00h 40m
80 mph (129 km/h)00h 35m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.69 gal
6.39 L · about $6.91
Round trip
$13.81
3.38 gal · 12.78 L
Estimated CO2
15 kg one way
Round trip: 30 kg / 66 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $6.91 $13.81
Mid-grade $4.60 $7.77 $15.54
Premium $4.95 $8.37 $16.74
Diesel $5.98 $10.11 $20.21

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 24, 2026

There is no time difference between Bethesda and New Windsor. The current time is 18:54:34.

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.