How far is Fort Washington, MD from Mount Rainier, MD?

The driving distance from Fort Washington, MD to Mount Rainier, MD is about 20.2 miles (32.5 km), with a travel time of about 00h 39m by car.

  • The straight-line flight distance is about 16.5 miles (26.5 km).
  • For a round trip, plan for roughly 01h 19m 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
20.17 mi
00h 39m
Flight
16.48 mi
26.52 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Fort Washington.

Flight Distance

Direct air line
16.48 mi
Kilometers
26.52 km
Flight Time
00h 01m

Driving Distance

Road route
20.17 mi
Kilometers
32.46 km
Drive Time
00h 39m

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 39m.

Arrival Snapshot
Arrive in Mount Rainier
Sun, Apr 19, 2:12 PM EDT
Return by in Fort Washington
Sun, Apr 19, 2:52 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Fort Washington
2026-04-19T13:32
Arrive Mount Rainier
Sun, Apr 19, 2:12 PM EDT
Route Timing
00h 39m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:40 AM to 7:40 PM EDT

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

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

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Forest Heights
MD

Town in Maryland, United States

From Fort Washington
10.1 mi
00h 19m
To Mount Rainier
10.1 mi
00h 19m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
64°F
Sunday

Rain Showers

Starts
Sun, Apr 19 6:00 AM EDT
Wind
10 to 17 mph NW
Destination
63°F
Sunday

Rain Showers

Starts
Sun, Apr 19 6:00 AM EDT
Wind
12 to 17 mph NW

Driving Route Map

The map below follows the saved road route between Fort Washington and Mount Rainier.

Turn-by-Turn Driving Directions

Step-by-step road directions between Fort Washington and Mount Rainier.

  1. 1

    Start on Warburton Drive

    1619 ft · 1 min · Warburton Drive

  2. 2

    At the end of the road, turn right onto Fort Washington Road

    1544 ft · 54 sec · Fort Washington Road

  3. 3

    Turn right onto Old Fort Road

    1.6 mi · 3 min · Old Fort Road

  4. 4

    Turn left onto Indian Head Highway

    7.6 mi · 12 min · Indian Head Highway

  5. 5

    Continue on South Capitol Street

    1.2 mi · 3 min · South Capitol Street

  6. 6

    Turn slight right onto I 295 North: Malcolm X Avenue, Dorothea Dix Avenue, DHS

    639 ft · 18 sec

  7. 7

    Keep slight left to continue on I 295 North

    870 ft · 25 sec

  8. 8

    Merge slight left onto Anacostia Freeway

    2.2 mi · 3 min · Anacostia Freeway

  9. 9

    Keep slight left to continue on Southeast Freeway

    1 mi · 2 min · Southeast Freeway

  10. 10

    Take the exit slight right toward 8th Street Southeast

    621 ft · 21 sec

  11. 11

    Turn straight onto I Street Southeast

    75 m · 9 sec · I Street Southeast

  12. 12

    Turn right onto 8th Street Southeast

    1.2 km · 2 min · 8th Street Southeast

  13. 13

    Continue on 8th Street Northeast

    1 mi · 2 min · 8th Street Northeast

  14. 14

    Turn left onto Florida Avenue Northeast

    1115 ft · 44 sec · Florida Avenue Northeast

  15. 15

    Turn right onto 6th Street Northeast

    1422 ft · 26 sec · 6th Street Northeast

  16. 16

    Continue on Brentwood Parkway Northeast

    1789 ft · 32 sec · Brentwood Parkway Northeast

  17. 17

    Continue on 9th Street Bridge

    688 ft · 12 sec · 9th Street Bridge

  18. 18

    Continue on 9th Street Northeast

    1055 ft · 22 sec · 9th Street Northeast

  19. 19

    Turn straight onto Brentwood Road Northeast

    1781 ft · 32 sec · Brentwood Road Northeast

  20. 20

    Enter the roundabout and take exit 2 toward Brentwood Road Northeast

    44 m · 2 sec · Brentwood Road Northeast

  21. 21

    Exit the roundabout onto Brentwood Road Northeast

    955 ft · 18 sec · Brentwood Road Northeast

  22. 22

    Turn right onto Rhode Island Avenue Northeast

    1.6 mi · 4 min · Rhode Island Avenue Northeast

  23. 23

    Turn left onto Eastern Avenue Northeast

    958 ft · 23 sec · Eastern Avenue Northeast

  24. 24

    Turn right onto 30th Street

    117 m · 14 sec · 30th Street

  25. 25

    Turn right onto Bunker Hill Road

    103 m · 18 sec · Bunker Hill Road

  26. 26

    Turn left onto 31st Street

    1219 ft · 42 sec · 31st Street

  27. 27

    Arrive at your destination

    0 m · 1 sec · 31st Street

Car Route Details

A richer read on the saved driving route between Fort Washington and Mount Rainier.

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
27 steps
16 turns on the saved route
Ramps & Exits
4
1 merges, 3 ramps or exits
Navigation Density
133.7 / 100 mi
Decision points by distance
Main Roads
Indian Head Highway
7.57 mi · 38%
Anacostia Freeway
2.18 mi · 11%
Old Fort Road
1.62 mi · 8%
Rhode Island Avenue Northeast
1.56 mi · 8%
South Capitol Street
1.2 mi · 6%
8th Street Northeast
1.03 mi · 5%
Longest Stretch

Indian Head Highway

Turn left onto Indian Head Highway

7.57 mi · 00h 12m

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 39m
Quick drive
Same-Day Return
01h 20m
Round-trip wheel time
Road vs Air
+3.7 mi
16.5 mi direct line
Halfway Stop
Forest Heights
00h 19m from Fort Washington
Leave By
7:10 PM EDT
Flexible departure
Weather Watch

Rain Showers leaving Fort Washington and Rain Showers near Mount Rainier.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Fort Washington to Mount Rainier?

The road trip is about 20.2 miles (32.5 km) and usually takes 00h 39m 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?

Forest Heights is a useful midpoint, sitting about 10.1 miles from Fort Washington and 10.1 miles from Mount Rainier.

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

The direct path is about 16.5 miles (26.5 km), while the road route adds roughly 3.7 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 7:10 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $2.90 one way or $5.80 round trip. Estimated CO2 is about 6.3 kg one way.

What should you check before leaving?

Before you leave, expect Rain Showers around Fort Washington and Rain Showers near Mount Rainier.

Stop Ideas Near Forest Heights

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 Forest Heights and the surrounding midpoint area.
United States Capitol
Scenic stop 4.6 mi away

United States Capitol

Washington , DC
First St SE, Washington, DC 20004, United States
Rating 4.6/5 4,243 reviews Tourist attraction,Historical place,Historical landmark,Landmark,Federal government office
Stop photo coming soon
Practical stop 5.9 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
THEARC: Town Hall Education Arts Recreation Campus
Meeting point 2.1 mi away

THEARC: Town Hall Education Arts Recreation Campus

Washington , DC
1901 Mississippi Ave SE, Washington, DC 20020
Rating 4.7/5 64 reviews Recreation center,City Hall
Town Hall Liquor And Bar
Nearby stop 12.2 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 Forest Heights.

RAIL

Union Station

6 mi away
110 Callahan Drive
RAIL

Washington Union Station

10 mi away
50 Massachusetts Ave NE
RAIL

New Carrollton station

20 mi away
4300 Garden City Drive
RAIL

Lorton station

23 mi away
8006 Lorton Road

Flight Path Map

This map shows the direct air route between Fort Washington and Mount Rainier. Straight-line distance: 16.48 mi (26.52 km).

Fort Washington

#1 Fort Washington

Unincorporated community in Prince George's County, Maryland, United States

Population24,183
Coordinates38.7073400, -77.0230300
Altitude32
CountryUnited States
Mount Rainier

#2 Mount Rainier

Stratovolcano in the U.

Population8,117
Coordinates38.9415000, -76.9649800
Altitude23
CountryUnited States
Start: Fort Washington (-77.02303, 38.70734)
End: Mount Rainier (-76.96498, 38.9415)

Estimated Travel Time

Distance: 32 km by road

SpeedTime
30 mph (48.3 km/h)00h 40m
40 mph (64.37 km/h)00h 30m
50 mph (80.47 km/h)00h 24m
60 mph (96.56 km/h)00h 20m
70 mph (112.65 km/h)00h 17m
80 mph (129 km/h)00h 15m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.71 gal
2.69 L · about $2.90
Round trip
$5.80
1.42 gal · 5.38 L
Estimated CO2
6.3 kg one way
Round trip: 12.6 kg / 28 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $2.90 $5.80
Mid-grade $4.60 $3.27 $6.53
Premium $4.95 $3.52 $7.03
Diesel $5.98 $4.25 $8.49

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 19, 2026

There is no time difference between Fort Washington and Mount Rainier. The current time is 13:32:44.

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.