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

The driving distance from Rockville, MD to New Windsor, MD is about 39.4 miles (63.4 km), with a travel time of about 01h 05m by car.

  • The straight-line flight distance is about 31.8 miles (51.1 km).
  • For a round trip, plan for roughly 02h 11m 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
39.38 mi
01h 05m
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 Rockville.

Flight Distance

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

Driving Distance

Road route
39.38 mi
Kilometers
63.37 km
Drive Time
01h 05m

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 05m.

Arrival Snapshot
Arrive in New Windsor
Sun, May 24, 8:00 PM EDT
Return by in Rockville
Sun, May 24, 9:06 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Rockville
2026-05-24T18:54
Arrive New Windsor
Sun, May 24, 8:00 PM EDT
Route Timing
01h 05m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:06 AM to 11:06 AM EDT

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

Leave by
4:18 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Rockville
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 Rockville
19.7 mi
00h 32m
To New Windsor
19.7 mi
00h 32m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
51°F
Overnight

Patchy Fog

Starts
Sun, May 24 2:00 AM EDT
Wind
6 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 Rockville and New Windsor.

Turn-by-Turn Driving Directions

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

  1. 1

    Start on South Washington Street

    19 m · 9 sec · South Washington Street

  2. 2

    Turn left onto West Montgomery Avenue

    1021 ft · 28 sec · West Montgomery Avenue

  3. 3

    Turn straight onto West Jefferson Street

    89 m · 11 sec · West Jefferson Street

  4. 4

    Continue on West Montgomery Avenue

    1.2 km · 2 min · West Montgomery Avenue

  5. 5

    Take the ramp slight right toward I 270 North: Frederick

    1343 ft · 33 sec

  6. 6

    Merge slight left onto I 270 North

    7.1 mi · 9 min

  7. 7

    Take the exit slight right toward Middlebrook Road East

    1771 ft · 43 sec

  8. 8

    Turn straight onto Middlebrook Road

    2279 ft · 42 sec · Middlebrook Road

  9. 9

    Turn left onto Frederick Road

    1.6 mi · 3 min · Frederick Road

  10. 10

    Turn right onto Ridge Road

    5.3 mi · 10 min · Ridge Road

  11. 11

    Turn right onto Valley Park Drive

    1.3 km · 2 min · Valley Park Drive

  12. 12

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

    1.5 mi · 3 min · Woodfield Road

  13. 13

    Turn right onto Ridge Road

    15.3 mi · 24 min · Ridge Road

  14. 14

    Turn left onto Marston Road

    3 mi · 5 min · Marston Road

  15. 15

    Continue on Marston Road

    1.3 km · 1 min · Marston Road

  16. 16

    Turn right onto New Windsor Road

    1.8 mi · 3 min · New Windsor Road

  17. 17

    Continue on High Street

    916 ft · 24 sec · High Street

  18. 18

    Turn left onto Church Street

    17 m · 2 sec · Church Street

  19. 19

    Arrive at your destination

    0 m · 1 sec · Church Street

Car Route Details

A richer read on the saved driving route between Rockville 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
19 steps
11 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
48.2 / 100 mi
Decision points by distance
Main Roads
Ridge Road
20.6 mi · 52%
I 270 North
7.33 mi · 19%
Marston Road
3.8 mi · 10%
New Windsor Road
1.75 mi · 4%
Frederick Road
1.64 mi · 4%
Woodfield Road
1.51 mi · 4%
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 05m
Day trip friendly
Same-Day Return
02h 12m
Round-trip wheel time
Road vs Air
+7.6 mi
31.8 mi direct line
Halfway Stop
Mount Airy
00h 32m from Rockville
Leave By
4:18 PM EDT
Morning start is best
Weather Watch

Patchy Fog leaving Rockville 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 Rockville to New Windsor?

The road trip is about 39.4 miles (63.4 km) and usually takes 01h 05m 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 19.7 miles from Rockville and 19.7 miles from New Windsor.

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 7.6 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 4:18 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $5.68 one way or $11.36 round trip. Estimated CO2 is about 12.4 kg one way.

What should you check before leaving?

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

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 12.3 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 12.3 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 Rockville and New Windsor. Straight-line distance: 31.74 mi (51.08 km).

Rockville

#1 Rockville

The most populous city in Montgomery County, Maryland.

Population69,512
Coordinates39.0840000, -77.1527600
Altitude137
CountryUnited States
New Windsor

#2 New Windsor

Town in Carroll County, Maryland, United States

Population1,404
Coordinates39.5420500, -77.1080400
Altitude152
CountryUnited States
Start: Rockville (-77.15276, 39.084)
End: New Windsor (-77.10804, 39.54205)

Estimated Travel Time

Distance: 63 km by road

SpeedTime
30 mph (48.3 km/h)01h 18m
40 mph (64.37 km/h)00h 59m
50 mph (80.47 km/h)00h 47m
60 mph (96.56 km/h)00h 39m
70 mph (112.65 km/h)00h 33m
80 mph (129 km/h)00h 29m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.39 gal
5.26 L · about $5.68
Round trip
$11.36
2.78 gal · 10.52 L
Estimated CO2
12.4 kg one way
Round trip: 24.7 kg / 54 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $5.68 $11.36
Mid-grade $4.60 $6.39 $12.79
Premium $4.95 $6.89 $13.77
Diesel $5.98 $8.31 $16.62

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 Rockville 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.