How far is Summerfield, MD from Gwynn Oak, MD?

The driving distance from Summerfield, MD to Gwynn Oak, MD is about 40.6 miles (65.4 km), with a travel time of about 00h 54m by car.

  • The straight-line flight distance is about 31.1 miles (50 km).
  • For a round trip, plan for roughly 01h 48m 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
40.66 mi
00h 54m
Flight
31.04 mi
49.95 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Summerfield.

Flight Distance

Direct air line
31.04 mi
Kilometers
49.95 km
Flight Time
00h 03m

Driving Distance

Road route
40.66 mi
Kilometers
65.43 km
Drive Time
00h 54m

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 54m.

Arrival Snapshot
Arrive in Gwynn Oak
Thu, Oct 15, 3:37 PM EDT
Return by in Summerfield
Thu, Oct 15, 4:31 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Summerfield
2026-10-15T14:43
Arrive Gwynn Oak
Thu, Oct 15, 3:37 PM EDT
Route Timing
00h 54m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
8:54 AM to 10:54 AM EDT

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

Leave by
4:42 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Summerfield
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
Fort George G Mead Junction
MD

City in Howard County, Maryland, United States of America

From Summerfield
18.5 mi
00h 27m
To Gwynn Oak
22.2 mi
00h 27m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
64°F
Thursday

Rain Showers

Starts
Thu, Oct 15 6:00 AM EDT
Wind
5 to 8 mph NE
Destination
65°F
This Afternoon

Chance Rain Showers

Starts
Thu, Oct 15 12:00 PM EDT
Wind
6 mph E

Driving Route Map

The map below follows the saved road route between Summerfield and Gwynn Oak.

Turn-by-Turn Driving Directions

Step-by-step road directions between Summerfield and Gwynn Oak.

  1. 1

    Start on the route

    594 ft · 46 sec

  2. 2

    Turn right

    24 m · 10 sec

  3. 3

    Turn left onto Garrett A. Morgan Boulevard

    588 ft · 13 sec · Garrett A. Morgan Boulevard

  4. 4

    Enter the roundabout and take exit 2 toward Ring Road

    1606 ft · 36 sec · Sean Taylor Road

  5. 5

    Exit the rotary onto Sean Taylor Road

    2248 ft · 47 sec · Sean Taylor Road

  6. 6

    Continue on Brightseat Road

    1038 ft · 21 sec · Brightseat Road

  7. 7

    Turn right onto Landover Road

    2926 ft · 56 sec · Landover Road

  8. 8

    Take the ramp slight right toward I 95 North, I 495 North: College Park, Baltimore

    1.1 km · 1 min

  9. 9

    Merge slight left onto Capital Beltway

    4.8 mi · 7 min · Capital Beltway

  10. 10

    Take the exit slight right toward MD 295 North: BWI Marshall Airport, Baltimore North, Baltimore-Washington Parkway

    1285 ft · 31 sec

  11. 11

    Keep slight left to continue on MD 295 North: Baltimore, Baltimore/Washington International Thurgood Marshall Airport

    1100 ft · 27 sec

  12. 12

    Merge slight left onto Baltimore-Washington Parkway

    17.9 mi · 25 min · Baltimore-Washington Parkway

  13. 13

    Take the exit slight right toward I 195 West: Catonsville

    1549 ft · 38 sec

  14. 14

    Merge slight left onto Metropolitan Boulevard

    3.7 mi · 4 min · Metropolitan Boulevard

  15. 15

    Keep slight right to continue on MD 166: Catonsville, Community College of Baltimore County

    1.1 mi · 3 min

  16. 16

    Turn right onto Bloomsbury Avenue

    1.5 km · 2 min · Bloomsbury Avenue

  17. 17

    Continue on Ingleside Avenue

    2.7 mi · 6 min · Ingleside Avenue

  18. 18

    Continue on North Forest Park Avenue

    1.4 mi · 4 min · North Forest Park Avenue

  19. 19

    Turn slight left onto Hillsdale Road

    1.5 km · 3 min · Hillsdale Road

  20. 20

    Turn right onto Haddon Avenue

    54 m · 11 sec · Haddon Avenue

  21. 21

    Turn left

    18 m · 4 sec

  22. 22

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Summerfield and Gwynn Oak.

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
22 steps
9 turns on the saved route
Ramps & Exits
8
3 merges, 5 ramps or exits
Navigation Density
54.1 / 100 mi
Decision points by distance
Main Roads
Baltimore-Washington Parkway
17.9 mi · 44%
Capital Beltway
4.84 mi · 12%
Metropolitan Boulevard
3.75 mi · 9%
Ingleside Avenue
2.75 mi · 7%
North Forest Park Avenue
1.41 mi · 3%
MD 166
1.11 mi · 3%
Longest Stretch

Baltimore-Washington Parkway

Merge slight left onto Baltimore-Washington Parkway

17.9 mi · 00h 25m

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
00h 54m
Day trip friendly
Same-Day Return
01h 48m
Round-trip wheel time
Road vs Air
+9.5 mi
31.1 mi direct line
Halfway Stop
Fort George G Mead Junction
00h 27m from Summerfield
Leave By
4:42 PM EDT
Morning start is best
Weather Watch

Rain Showers leaving Summerfield and Chance Rain Showers near Gwynn Oak.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Summerfield to Gwynn Oak?

The road trip is about 40.6 miles (65.4 km) and usually takes 00h 54m 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?

Fort George G Mead Junction is a useful midpoint, sitting about 18.5 miles from Summerfield and 22.2 miles from Gwynn Oak.

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

The direct path is about 31.1 miles (50 km), while the road route adds roughly 9.5 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 4:42 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $6.06 one way or $12.13 round trip. Estimated CO2 is about 12.7 kg one way.

What should you check before leaving?

Before you leave, expect Rain Showers around Summerfield and Chance Rain Showers near Gwynn Oak.

Stop Ideas Near Fort George G Mead Junction

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

Mid-route Guidance
Local place coverage is thin around Fort George G Mead Junction, 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 Fort George G Mead Junction.

RAIL

BWI Rail Station

11 mi away
7 Amtrak Way
RAIL

New Carrollton station

20 mi away
4300 Garden City Drive
RAIL

Pennsylvania Station

25 mi away
1515 North Charles Street
RAIL

Rockville station

31 mi away
251 Hungerford Drive at Park Rd.

Flight Path Map

This map shows the direct air route between Summerfield and Gwynn Oak. Straight-line distance: 31.04 mi (49.95 km).

Photo coming soon

#1 Summerfield

Summerfield, Maryland, is a census-designated place situated in Prince George's County.

Population0
Coordinates38.9045400, -76.8683000
Altitude-
CountryUnited States
Photo coming soon

#2 Gwynn Oak

A census-designated place in Baltimore County, Maryland.

Population47,092
Coordinates39.3326100, -76.6927500
Altitude130
CountryUnited States
Start: (-76.868288, 38.904507)
End: (-76.692724, 39.332601)

Estimated Travel Time

Distance: 65 km by road

SpeedTime
30 mph (48.3 km/h)01h 21m
40 mph (64.37 km/h)01h 00m
50 mph (80.47 km/h)00h 48m
60 mph (96.56 km/h)00h 40m
70 mph (112.65 km/h)00h 34m
80 mph (129 km/h)00h 30m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.43 gal
5.43 L · about $6.06
Round trip
$12.13
2.86 gal · 10.86 L
Estimated CO2
12.7 kg one way
Round trip: 25.4 kg / 56 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.24 $6.06 $12.13
Mid-grade $4.84 $6.92 $13.85
Premium $5.15 $7.36 $14.72
Diesel $6.36 $9.10 $18.20

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 · Oct 15, 2026

There is no time difference between Summerfield and Gwynn Oak. The current time is 14:43:38.

Distance to Other Cities

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.