How far is Rockville, MD from Westernport, MD?

The driving distance from Rockville, MD to Westernport, MD is about 139.9 miles (225.1 km), with a travel time of about 02h 51m by car.

  • The straight-line flight distance is about 104.9 miles (168.8 km).
  • For a round trip, plan for roughly 05h 43m 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
139.85 mi
02h 51m
Flight
104.91 mi
168.84 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
104.91 mi
Kilometers
168.84 km
Flight Time
00h 12m

Driving Distance

Road route
139.85 mi
Kilometers
225.07 km
Drive Time
02h 51m

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 02h 51m.

Arrival Snapshot
Arrive in Westernport
Wed, May 13, 2:01 AM EDT
Return by in Rockville
Wed, May 13, 4:53 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Rockville
2026-05-12T23:10
Arrive Westernport
Wed, May 13, 2:01 AM EDT
Route Timing
02h 51m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
10:52 AM to 12:52 PM EDT

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

Leave by
12:46 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
Clear Spring
MD

Town of the United States

From Rockville
69.8 mi
01h 25m
To Westernport
70 mi
01h 25m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
69°F
Tuesday

Sunny

Starts
Tue, May 12 6:00 AM EDT
Wind
9 mph NW
Destination
75°F
Tuesday

Areas Of Frost then Sunny

Starts
Tue, May 12 6:00 AM EDT
Wind
0 to 8 mph S

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Rockville and Westernport.

  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

    25.1 mi · 32 min

  7. 7

    Take the exit slight right toward I 70: Hagerstown, Baltimore

    1986 ft · 31 sec

  8. 8

    Keep slight left to continue on I 70 West: Hagerstown

    1899 ft · 29 sec

  9. 9

    Merge slight right

    52.1 mi · 56 min

  10. 10

    Keep slight left to continue on US 40, I 68: Cumberland

    45.4 mi · 52 min

  11. 11

    Take the exit slight right toward MD 36: Westernport, Frostburg

    1983 ft · 49 sec

  12. 12

    Keep slight left to continue on MD 36 South: Westernport

    84 m · 7 sec

  13. 13

    Turn left onto New Georges Creek Road Southwest

    3.6 mi · 6 min · New Georges Creek Road Southwest

  14. 14

    Turn slight left onto Paradise Street Southwest

    1 km · 2 min · Paradise Street Southwest

  15. 15

    At the end of the road, turn left onto New Georges Creek Road Southwest

    1579 ft · 38 sec · New Georges Creek Road Southwest

  16. 16

    Continue on Lower Georges Creek Road Southwest

    1.7 mi · 4 min · Lower Georges Creek Road Southwest

  17. 17

    Continue on East Main Street

    1 mi · 3 min · East Main Street

  18. 18

    Continue on New Georges Creek Road Southwest

    7.4 mi · 12 min · New Georges Creek Road Southwest

  19. 19

    Turn sharp left onto Victory Post Drive

    121 m · 16 sec · Victory Post Drive

  20. 20

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

    53 m · 5 sec · Main Street

  21. 21

    Arrive at your destination

    0 m · 1 sec · Main Street

Car Route Details

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

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
21 steps
7 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
15 / 100 mi
Decision points by distance
Main Roads
I 70 West
52.4 mi · 38%
US 40
45.4 mi · 32%
I 270 North
25.4 mi · 18%
New Georges Creek Road Southwest
11.3 mi · 8%
Lower Georges Creek Road Southwest
1.72 mi · 1%
East Main Street
1.04 mi · 1%
Longest Stretch

I 70 West

Merge slight right

52.1 mi · 00h 56m

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
02h 51m
Day trip friendly
Same-Day Return
05h 44m
Round-trip wheel time
Road vs Air
+35 mi
104.9 mi direct line
Halfway Stop
Clear Spring
01h 25m from Rockville
Leave By
12:46 PM EDT
Morning start is best
Weather Watch

Sunny leaving Rockville and Areas Of Frost then Sunny near Westernport.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Rockville to Westernport?

The road trip is about 139.9 miles (225.1 km) and usually takes 02h 51m 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?

Clear Spring is a useful midpoint, sitting about 69.8 miles from Rockville and 70 miles from Westernport.

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

The direct path is about 104.9 miles (168.8 km), while the road route adds roughly 35 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 12:46 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $20.14 one way or $40.29 round trip. Estimated CO2 is about 43.8 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Rockville and Areas Of Frost then Sunny near Westernport.

Stop Ideas Near Clear Spring

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

Mid-route Guidance
Local place coverage is thin around Clear Spring, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Clear Spring.

BUS

Hagerstown, MD

18 mi away
123 West Franklin Street
BUS

Hancock, MD

20 mi away
434 East Main Street
RAIL

Martinsburg station

22 mi away
229 East Martin St.
RAIL

Harpers Ferry

41 mi away
Potomac St. & Shenandoah St.

Flight Path Map

This map shows the direct air route between Rockville and Westernport. Straight-line distance: 104.91 mi (168.84 km).

Rockville

#1 Rockville

The most populous city in Montgomery County, Maryland.

Population69,512
Coordinates39.0840000, -77.1527600
Altitude137
CountryUnited States
Westernport

#2 Westernport

Town of the United States

Population1,712
Coordinates39.4853700, -79.0447500
Altitude281
CountryUnited States
Start: Rockville (-77.15276, 39.084)
End: Westernport (-79.04475, 39.48537)

Estimated Travel Time

Distance: 225 km by road

SpeedTime
30 mph (48.3 km/h)04h 39m
40 mph (64.37 km/h)03h 29m
50 mph (80.47 km/h)02h 47m
60 mph (96.56 km/h)02h 19m
70 mph (112.65 km/h)01h 59m
80 mph (129 km/h)01h 44m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
4.93 gal
18.68 L · about $20.14
Round trip
$40.29
9.86 gal · 37.36 L
Estimated CO2
43.8 kg one way
Round trip: 87.6 kg / 193 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $20.14 $40.29
Mid-grade $4.60 $22.67 $45.35
Premium $4.95 $24.42 $48.85
Diesel $5.98 $29.48 $58.96

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 13, 2026

There is no time difference between Rockville and Westernport. The current time is 23:10:14.

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.