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

The driving distance from New Windsor, MD to Rockville, MD is about 44 miles (70.8 km), with a travel time of about 01h 00m by car.

  • The straight-line flight distance is about 31.8 miles (51.1 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
44 mi
01h 00m
Flight
31.74 mi
51.08 km direct

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

Learn Distance

Choose another destination from New Windsor.

Flight Distance

Direct air line
31.74 mi
Kilometers
51.08 km
Flight Time
00h 03m

Driving Distance

Road route
44 mi
Kilometers
70.81 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 Rockville
Sun, May 24, 6:43 PM EDT
Return by in New Windsor
Sun, May 24, 7:43 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave New Windsor
2026-05-24T17:42
Arrive Rockville
Sun, May 24, 6:43 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 New Windsor
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
Mount Airy
MD

City in Surry County, North Carolina, United States

From New Windsor
19.9 mi
00h 30m
To Rockville
24.1 mi
00h 30m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
50°F
Overnight

Rain Showers

Starts
Sun, May 24 2:00 AM EDT
Wind
5 mph NE
Destination
51°F
Overnight

Patchy Fog

Starts
Sun, May 24 2:00 AM EDT
Wind
6 mph E

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Church Street

    17 m · 4 sec · Church Street

  2. 2

    Turn right onto High Street

    916 ft · 18 sec · High Street

  3. 3

    Continue on New Windsor Road

    1.8 mi · 3 min · New Windsor Road

  4. 4

    Turn left onto Marston Road

    1.3 km · 1 min · Marston Road

  5. 5

    Continue on Marston Road

    3 mi · 5 min · Marston Road

  6. 6

    At the end of the road, turn right onto Ridge Road

    15.3 mi · 24 min · Ridge Road

  7. 7

    Turn left onto Woodfield Road

    1.5 mi · 3 min · Woodfield Road

  8. 8

    Turn right onto Valley Park Drive

    1.3 km · 2 min · Valley Park Drive

  9. 9

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

    5.3 mi · 10 min · Ridge Road

  10. 10

    Turn left onto Frederick Road

    1.7 mi · 3 min · Frederick Road

  11. 11

    Turn right onto Middlebrook Road

    1.1 km · 1 min · Middlebrook Road

  12. 12

    Turn left onto I 270 South

    1631 ft · 44 sec

  13. 13

    Merge slight left onto Eisenhower Memorial Highway

    4.4 mi · 6 min · Eisenhower Memorial Highway

  14. 14

    Keep slight right

    2.5 mi · 3 min

  15. 15

    Take the exit slight right toward MD 28: West Montgomery Avenue

    1074 ft · 28 sec

  16. 16

    Turn left onto Key West Highway

    957 ft · 33 sec · Key West Highway

  17. 17

    Continue on West Montgomery Avenue

    1.5 km · 2 min · West Montgomery Avenue

  18. 18

    Turn left onto West Montgomery Avenue

    1159 ft · 38 sec · West Montgomery Avenue

  19. 19

    Turn right onto South Washington Street

    19 m · 2 sec · South Washington Street

  20. 20

    Arrive at your destination

    0 m · 1 sec · South Washington Street

Car Route Details

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

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
20 steps
12 turns on the saved route
Ramps & Exits
2
1 merges, 1 ramps or exits
Navigation Density
45.5 / 100 mi
Decision points by distance
Main Roads
Ridge Road
20.6 mi · 47%
Eisenhower Memorial Highway
6.88 mi · 16%
Marston Road
3.8 mi · 9%
New Windsor Road
1.75 mi · 4%
Frederick Road
1.69 mi · 4%
Woodfield Road
1.52 mi · 3%
Longest Stretch

Ridge Road

At the end of the 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 00m
Day trip friendly
Same-Day Return
02h 00m
Round-trip wheel time
Road vs Air
+12.2 mi
31.8 mi direct line
Halfway Stop
Mount Airy
00h 30m from New Windsor
Leave By
4:30 PM EDT
Morning start is best
Weather Watch

Rain Showers leaving New Windsor and Patchy Fog near Rockville.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 44 miles (70.8 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?

Mount Airy is a useful midpoint, sitting about 19.9 miles from New Windsor and 24.1 miles from Rockville.

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

The direct path is about 31.8 miles (51.1 km), while the road route adds roughly 12.2 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 $6.33 one way or $12.67 round trip. Estimated CO2 is about 13.8 kg one way.

What should you check before leaving?

Before you leave, expect Rain Showers around New Windsor and Patchy Fog near Rockville.

Stop Ideas Near Mount Airy

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 Mount Airy and the surrounding midpoint area.
Griffith Park at City Hall
Scenic stop 12.1 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 12.1 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 Mount Airy.

BUS

Frederick Airport, MD

20 mi away
1341 Hughes Ford Road
RAIL

Frederick, MD

22 mi away
100 South East Street
RAIL

Rockville station

32 mi away
251 Hungerford Drive at Park Rd.
RAIL

BWI Rail Station

45 mi away
7 Amtrak Way

Flight Path Map

This map shows the direct air route between New Windsor and Rockville. Straight-line distance: 31.74 mi (51.08 km).

New Windsor

#1 New Windsor

Town in Carroll County, Maryland, United States

Population1,404
Coordinates39.5420500, -77.1080400
Altitude152
CountryUnited States
Rockville

#2 Rockville

The most populous city in Montgomery County, Maryland.

Population69,512
Coordinates39.0840000, -77.1527600
Altitude137
CountryUnited States
Start: Church Street (-77.107988, 39.541945)
End: South Washington Street (-77.152887, 39.083997)

Estimated Travel Time

Distance: 71 km by road

SpeedTime
30 mph (48.3 km/h)01h 27m
40 mph (64.37 km/h)01h 06m
50 mph (80.47 km/h)00h 52m
60 mph (96.56 km/h)00h 43m
70 mph (112.65 km/h)00h 37m
80 mph (129 km/h)00h 32m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.55 gal
5.88 L · about $6.33
Round trip
$12.67
3.1 gal · 11.76 L
Estimated CO2
13.8 kg one way
Round trip: 27.5 kg / 61 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $6.33 $12.67
Mid-grade $4.60 $7.13 $14.26
Premium $4.95 $7.68 $15.36
Diesel $5.98 $9.27 $18.54

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 New Windsor and Rockville. The current time is 17:42:44.

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.