How far is Frederick, MD from Rockville, MD?

The driving distance from Frederick, MD to Rockville, MD is about 29.6 miles (47.6 km), with a travel time of about 00h 36m by car.

  • The straight-line flight distance is about 26.7 miles (42.9 km).
  • For a round trip, plan for roughly 01h 12m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Trip Tools

Reverse, save, or send this route

This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
29.56 mi
00h 36m
Flight
26.66 mi
42.91 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Frederick.

Flight Distance

Direct air line
26.66 mi
Kilometers
42.91 km
Flight Time
00h 03m

Driving Distance

Road route
29.56 mi
Kilometers
47.57 km
Drive Time
00h 36m

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 00h 36m.

Arrival Snapshot
Arrive in Rockville
Wed, Apr 22, 8:13 PM EDT
Return by in Frederick
Wed, Apr 22, 8:50 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Frederick
2026-04-22T19:37
Arrive Rockville
Wed, Apr 22, 8:13 PM EDT
Route Timing
00h 36m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:36 AM to 7:36 PM EDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:18 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Frederick
10:00 PM EDT
Flexible departure

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 Frederick
14.4 mi
00h 18m
To Rockville
15.2 mi
00h 18m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
71°F
Wednesday

Rain Showers Likely

Starts
Wed, Apr 22 6:00 AM EDT
Wind
3 to 8 mph SW
Destination
74°F
Today

Chance Rain Showers then Slight Chance Showers And Thunderstorms

Starts
Wed, Apr 22 11:00 AM EDT
Wind
8 mph W

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on East Patrick Street

    37 m · 8 sec · East Patrick Street

  2. 2

    Turn right onto North Market Street

    133 m · 19 sec · North Market Street

  3. 3

    Turn right onto East Church Street

    1577 ft · 48 sec · East Church Street

  4. 4

    Turn right onto North East Street

    1 km · 2 min · North East Street

  5. 5

    Enter the roundabout and take exit 1 toward East Street

    31 m · 2 sec · East Street

  6. 6

    Exit the roundabout onto East Street

    742 ft · 15 sec · East Street

  7. 7

    Continue on Buckeystown Pike

    1.7 mi · 3 min · Buckeystown Pike

  8. 8

    Take the ramp straight toward I 270 South

    1247 ft · 34 sec

  9. 9

    Merge slight left onto Eisenhower Memorial Highway

    21.6 mi · 27 min · Eisenhower Memorial Highway

  10. 10

    Keep slight right

    2.5 mi · 3 min

  11. 11

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

    1074 ft · 28 sec

  12. 12

    Turn left onto Key West Highway

    957 ft · 33 sec · Key West Highway

  13. 13

    Continue on West Montgomery Avenue

    1.5 km · 2 min · West Montgomery Avenue

  14. 14

    Turn left onto West Montgomery Avenue

    1159 ft · 38 sec · West Montgomery Avenue

  15. 15

    Turn right onto South Washington Street

    19 m · 2 sec · South Washington Street

  16. 16

    Arrive at your destination

    0 m · 1 sec · South Washington Street

Car Route Details

A richer read on the saved driving route between Frederick 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
16 steps
8 turns on the saved route
Ramps & Exits
5
1 merges, 4 ramps or exits
Navigation Density
54.1 / 100 mi
Decision points by distance
Main Roads
Eisenhower Memorial Highway
24 mi · 81%
Buckeystown Pike
1.72 mi · 6%
West Montgomery Avenue
1.15 mi · 4%
North East Street
0.65 mi · 2%
East Church Street
0.3 mi · 1%
I 270 South
0.24 mi · 1%
Longest Stretch

Eisenhower Memorial Highway

Merge slight left onto Eisenhower Memorial Highway

21.6 mi · 00h 27m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A short regional drive

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

Drive Time
00h 36m
Quick drive
Same-Day Return
01h 12m
Round-trip wheel time
Road vs Air
+2.9 mi
26.7 mi direct line
Halfway Stop
Green Valley
00h 18m from Frederick
Leave By
7:18 PM EDT
Flexible departure
Weather Watch

Rain Showers Likely leaving Frederick and Chance Rain Showers then Slight Chance Showers And Thunderstorms near Rockville.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 29.6 miles (47.6 km) and usually takes 00h 36m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

What is the halfway point on this route?

Green Valley is a useful midpoint, sitting about 14.4 miles from Frederick and 15.2 miles from Rockville.

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

The direct path is about 26.7 miles (42.9 km), while the road route adds roughly 2.9 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:18 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $4.25 one way or $8.50 round trip. Estimated CO2 is about 9.2 kg one way.

What should you check before leaving?

Before you leave, expect Rain Showers Likely around Frederick and Chance Rain Showers then Slight Chance Showers And Thunderstorms near Rockville.

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 9.3 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 9.3 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
City of Rockville City Hall
Scenic stop 13.8 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 Frederick and Rockville. Straight-line distance: 26.66 mi (42.91 km).

Frederick

#1 Frederick

The second most populous city in Frederick County, Maryland.

Population73,308
Coordinates39.4142700, -77.4105400
Altitude87
CountryUnited States
Rockville

#2 Rockville

The most populous city in Montgomery County, Maryland.

Population69,512
Coordinates39.0840000, -77.1527600
Altitude137
CountryUnited States
Start: East Patrick Street (-77.410551, 39.414165)
End: South Washington Street (-77.152887, 39.083997)

Estimated Travel Time

Distance: 48 km by road

SpeedTime
30 mph (48.3 km/h)00h 59m
40 mph (64.37 km/h)00h 44m
50 mph (80.47 km/h)00h 35m
60 mph (96.56 km/h)00h 29m
70 mph (112.65 km/h)00h 25m
80 mph (129 km/h)00h 22m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.04 gal
3.95 L · about $4.25
Round trip
$8.50
2.08 gal · 7.9 L
Estimated CO2
9.2 kg one way
Round trip: 18.5 kg / 41 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $4.25 $8.50
Mid-grade $4.60 $4.78 $9.57
Premium $4.95 $5.15 $10.30
Diesel $5.98 $6.22 $12.44

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 · Apr 22, 2026

There is no time difference between Frederick and Rockville. The current time is 19:37:18.

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.