How far is Potomac, MD from Olney, MD?

The driving distance from Potomac, MD to Olney, MD is about 19.1 miles (30.7 km), with a travel time of about 00h 29m by car.

  • The straight-line flight distance is about 12.1 miles (19.4 km).
  • For a round trip, plan for roughly 00h 58m 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
19.1 mi
00h 29m
Flight
12.03 mi
19.36 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Potomac.

Flight Distance

Direct air line
12.03 mi
Kilometers
19.36 km
Flight Time
00h 01m

Driving Distance

Road route
19.1 mi
Kilometers
30.74 km
Drive Time
00h 29m

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 29m.

Arrival Snapshot
Arrive in Olney
Thu, Apr 23, 12:49 AM EDT
Return by in Potomac
Thu, Apr 23, 1:18 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Potomac
2026-04-23T00:19
Arrive Olney
Thu, Apr 23, 12:49 AM EDT
Route Timing
00h 29m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:29 AM to 7:29 PM EDT

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

Leave by
7:32 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Potomac
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
Rockville
MD

The most populous city in Montgomery County, Maryland.

From Potomac
7.1 mi
00h 14m
To Olney
12 mi
00h 14m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
79°F
Thursday

Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
2 to 6 mph NW
Destination
78°F
Thursday

Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
2 to 6 mph N

Driving Route Map

The map below follows the saved road route between Potomac and Olney.

Turn-by-Turn Driving Directions

Step-by-step road directions between Potomac and Olney.

  1. 1

    Start on the route

    25 m · 8 sec

  2. 2

    Turn right onto Falls Road

    4.4 mi · 8 min · Falls Road

  3. 3

    Turn right onto Wootton Parkway

    2.3 mi · 5 min · Wootton Parkway

  4. 4

    Continue on First Street

    1.2 km · 2 min · First Street

  5. 5

    Continue on Norbeck Road

    3.6 mi · 6 min · Norbeck Road

  6. 6

    Turn left onto Georgia Avenue

    3.1 mi · 6 min · Georgia Avenue

  7. 7

    Turn left onto Olney Laytonsville Road

    158 m · 23 sec · Olney Laytonsville Road

  8. 8

    Continue on Olney Laytonsville Road

    151 m · 21 sec · Olney Laytonsville Road

  9. 9

    Turn right onto Georgia Avenue

    2 m · 1 sec · Georgia Avenue

  10. 10

    Arrive at your destination

    0 m · 1 sec · Georgia Avenue

Car Route Details

A richer read on the saved driving route between Potomac and Olney.

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
10 steps
5 turns on the saved route
Ramps & Exits
0
0 merges, 0 ramps or exits
Navigation Density
52.4 / 100 mi
Decision points by distance
Main Roads
Falls Road
4.38 mi · 23%
Norbeck Road
3.58 mi · 19%
Georgia Avenue
3.08 mi · 16%
Wootton Parkway
2.29 mi · 12%
First Street
0.73 mi · 4%
Olney Laytonsville Road
0.19 mi · 1%
Longest Stretch

Falls Road

Turn right onto Falls Road

4.38 mi · 00h 08m

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 29m
Quick drive
Same-Day Return
00h 58m
Round-trip wheel time
Road vs Air
+7 mi
12.1 mi direct line
Halfway Stop
Rockville
00h 14m from Potomac
Leave By
7:32 PM EDT
Flexible departure
Weather Watch

Sunny leaving Potomac and Sunny near Olney.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Potomac to Olney?

The road trip is about 19.1 miles (30.7 km) and usually takes 00h 29m 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?

Rockville is a useful midpoint, sitting about 7.1 miles from Potomac and 12 miles from Olney.

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

The direct path is about 12.1 miles (19.4 km), while the road route adds roughly 7 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 7:32 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $2.74 one way or $5.48 round trip. Estimated CO2 is about 6 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Potomac and Sunny near Olney.

Stop Ideas Near Rockville

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 Rockville and the surrounding midpoint area.
Griffith Park at City Hall
Scenic stop 4.9 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
Stop photo coming soon
Practical stop 13.9 mi away

D C Government

Washington , DC
77 P St NE, Washington, DC 20002
Rating 5.0/5 2 reviews City government office,Telephone answering service
The John Wilson Building
Meeting point 14.2 mi away

The John Wilson Building

Washington , DC
1350 Pennsylvania Avenue NW, Washington, DC 20004
Rating 4.6/5 21 reviews City government office
Town Hall Liquor And Bar
Nearby stop 12.6 mi away

Town Hall Liquor And Bar

College Park , MD
8135 Baltimore Ave, College Park, MD 20740
Rating 4.3/5 319 reviews Liquor store,Bar

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Rockville.

RAIL

Rockville station

1 mi away
251 Hungerford Drive at Park Rd.
RAIL

Washington Union Station

24 mi away
50 Massachusetts Ave NE
RAIL

New Carrollton station

29 mi away
4300 Garden City Drive
RAIL

Union Station

32 mi away
110 Callahan Drive

Flight Path Map

This map shows the direct air route between Potomac and Olney. Straight-line distance: 12.03 mi (19.36 km).

Potomac

#1 Potomac

Census-designated place in Montgomery County, Maryland, United States

Population44,965
Coordinates39.0181700, -77.2085900
Altitude110
CountryUnited States
Olney

#2 Olney

Unincorporated area of Montgomery County, Maryland, United States of America

Population33,844
Coordinates39.1531600, -77.0669200
Altitude165
CountryUnited States
Start: (-77.208585, 39.018175)
End: Georgia Avenue (-77.066929, 39.153178)

Estimated Travel Time

Distance: 31 km by road

SpeedTime
30 mph (48.3 km/h)00h 38m
40 mph (64.37 km/h)00h 28m
50 mph (80.47 km/h)00h 22m
60 mph (96.56 km/h)00h 19m
70 mph (112.65 km/h)00h 16m
80 mph (129 km/h)00h 14m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.67 gal
2.55 L · about $2.74
Round trip
$5.48
1.34 gal · 5.1 L
Estimated CO2
6 kg one way
Round trip: 11.9 kg / 26 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $2.74 $5.48
Mid-grade $4.60 $3.08 $6.16
Premium $4.95 $3.32 $6.64
Diesel $5.98 $4.01 $8.01

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 23, 2026

There is no time difference between Potomac and Olney. The current time is 00:19:39.

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.