Spanning 173.1 miles across Maryland, this trip connects Oakland to Bethesda in approximately 3 hours and 38 minutes. Because the drive is relatively straightforward, you can easily complete it in a single day, making it an efficient choice for those looking to traverse the state without an overnight stay. Expect to spend roughly $29 on fuel for the journey. You will navigate a mix of roads, including Corridor H, the John Marshall Highway, and I-66. Whether you are heading toward the capital area or returning to the mountains, this route offers a practical transition between the distinct landscapes of western Maryland and the Bethesda region.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
1 planned break
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
86.6 miles from Oakland, MD
A natural place for your longest stop of the day
, about 1h 53m into the drive
.
Main Roads
Road
Distance
Duration
I 66
64.3 mi
1h 11m
Corridor H
49 mi
57m
John Marshall Highway
8.9 mi
10m
Gorman Road
8.7 mi
15m
George Washington Highway
7.4 mi
11m
Capital Beltway
6.4 mi
7m
Wardensville Pike
5.4 mi
6m
US 48
5.1 mi
5m
Longest stretch:
I 66
— 64.3 mi, about 1h 11m
Turn-by-Turn Driving Directions
Step-by-step road directions between Oakland, MD and Bethesda, MD.
1
Start on this road
24 ft·7 sec·this road
2
Turn left onto East Alder Street
291 ft·14 sec·East Alder Street
3
Turn right onto South 4th Street
345 ft·20 sec·South 4th Street
4
Turn left onto US 219
0.5 mi·1 min·East Oak Street
5
Turn straight onto MD 135
1.4 mi·2 min·Maryland Highway
6
Turn right onto MD 560
0.2 mi·23 sec·Paul Street
7
Turn left onto MD 560
0.2 mi·16 sec·East 3rd Avenue
8
Continue on MD 560
0.2 mi·21 sec·Lothian Street
9
Continue on MD 560
8.7 mi·15 min·Gorman Road
10
At end of road, turn left onto US 50
7.4 mi·11 min·George Washington Highway
11
Turn right onto WV 42
4.4 mi·7 min·WV 42
12
Turn sharp right onto WV 93
0.1 mi·20 sec·WV 93
13
Turn left onto CR 93/2
0.2 mi·17 sec·Communications Drive
14
Turn left onto US 48
49 mi·57 min·Corridor H
15
Continue on US 48; WV 55; WV 259
0.9 mi·1 min·West Main Street
16
Turn right onto US 48; WV 55
5.1 mi·5 min·US 48; WV 55
17
Continue on US 48; VA 55
5.4 mi·6 min·Wardensville Pike
18
Continue on US 48; VA 55
8.9 mi·10 min·John Marshall Highway
19
Take the exit
0.3 mi·36 sec
20
Merge onto I 81
3.5 mi·4 min·I 81
21
Take the exit
0.4 mi·47 sec
Toward I 66 East: Front Royal, Washington
22
Continue on I 66
43 mi·46 min·I 66
23
Keep slight right at fork onto I 66
22 mi·25 min·I 66
Use the straight lane.
24
Take the exit
0.6 mi·1 min
Exit 64BToward I 495 North: Tysons Corner, BaltimoreUse the straight / slight right lanes.
25
Merge onto I 495
6.4 mi·7 min·Capital Beltway
Use the straight / slight right lanes.
26
Take the exit
0.2 mi·22 sec
Exit 41Toward Carderock, Glen EchoUse the slight right lane.
27
Keep slight right at fork
0.4 mi·46 sec
Toward Glen Echo Park, Washington D.C., Clara Barton National Historic SiteUse the slight left / slight right lanes.
28
Turn straight onto Clara Barton Parkway
0.8 mi·1 min·Clara Barton Parkway
Use the straight / slight right lanes.
29
Turn slight right
0.2 mi·35 sec
Toward Cabin JohnUse the straight / slight right lanes.
30
Turn left onto Clara Barton Access Road
0.1 mi·17 sec·Clara Barton Access Road
31
At end of road, turn right onto MacArthur Boulevard
0.9 mi·2 min·MacArthur Boulevard
Use the right lane.
32
Turn left onto MD 614
2.0 mi·4 min·Goldsboro Road
Use the left / straight lanes.
33
Turn right onto MD 191
0.3 mi·52 sec·Bradley Boulevard
Use the right lane.
34
Turn left onto Fairfax Road
0.1 mi·32 sec·Fairfax Road
Use the straight / right lanes.
35
Continue on Clarendon Road
0.1 mi·32 sec·Clarendon Road
36
Turn right onto Bethesda Avenue
156 ft·7 sec·Bethesda Avenue
37
Turn right
44 ft·3 sec
38
Arrive at destination
Trip Plan
To make the most of your 3 hour and 38 minute transit, aim to leave during off-peak hours to avoid potential congestion near your destination in Bethesda. Since the trip is manageable in one day, you have the flexibility to plan your single scheduled stop whenever you need a break from the 173.1-mile trek. Keep in mind that your fuel budget is approximately $29, so it is wise to monitor your gauge during the longer 64.3-mile stretch on I-66. Because you are navigating a mix of interstate and local roads, stay alert for changing speed limits as you transition between Corridor H and the John Marshall Highway. Prioritize your comfort by pacing your drive to account for the varied nature of the road surfaces.
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 86.6 miles from Oakland, MD, or about 1h 53m into the drive.
The longest continuous stretch on this route runs about 64.3 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 38 miles or 56m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 86.6 miles or 1h 53m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 2h 54m
Traffic, exits, and arrival timing usually matter more near Bethesda, MD than in the middle of the route.
Before You Leave
+
Open the route before leaving Oakland, MD so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Oakland, MD
This is one driving day of about 173.1 miles and 3h 38m.
Your first comfortable stop window is around 38 miles from Oakland, MD.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on I 66 for about 64.3 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 27
5 decision points cluster between mile 139.5 and 169.7 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
139.5 mi into trip|~2h 51m in|I 66
Keep slight right at fork onto I 66
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight lane.
8
161 mi into trip|~3h 17m in
Take the exit toward I 495 North: Tysons Corner, Baltimore
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Exit 64B
Toward I 495 North: Tysons Corner, Baltimore
8
168 mi into trip|~3h 26m in
Take the exit toward Carderock, Glen Echo
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Exit 41
Toward Carderock, Glen Echo
8
168.2 mi into trip|~3h 26m in
Keep slight right at fork toward Glen Echo Park, Washington D.C., Clara Barton National Historic Site
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight left / slight right lanes.
Toward Glen Echo Park, Washington D.C., Clara B...
7
169.7 mi into trip|~3h 29m in|MacArthur Boulevard
At end of road, turn right onto MacArthur Boulevard
Lane positioning matters here
Use the right lane.
Fuel & Cost
Regular Gas
$28.70 one way
$57.40 round trip
$4.21/gal25.4 MPG avg61 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.61
$31.43
$62.86
premium
$4.93
$33.57
$67.14
diesel
$5.61
$38.22
$76.44
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$29
Meals
$25–$50
Total
$54–$79
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 60.6 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $18 in charging
· 0 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
51.9
0
$18.18
$8.31
Efficient EV
43.3
0
$15.15
$6.92
EV Truck/SUV
69.2
0
$24.23
$11.08
Gas CO2
61 kg
EV CO2
20 kg (67% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Forecast as of Apr 15, 2026
Origin
Oakland, MD
Night
in Oakland on Saturday
Local time
9:17 PM
EDT
Current temp
45°F
Unavailable
Live forecast
Destination
Bethesda, MD
Night
in Bethesda on Saturday
Local time
9:17 PM
EDT
Current temp
75°F
Unavailable
Live forecast
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
30 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
3h 38m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
National Parks Near This Route
Worth a detour if your schedule allows.
Chesapeake & Ohio Canal National Historical Park
National Historical Park
Preserving America's early transportation history, the C&O Canal began as a dream of passage to Western wealth. Operating for nearly 100 years the canal was a lifeline for communities along the Potoma...
4 mi from route
~11 min detour
$20
near mile 167.1
The Potomac River corridor is rich in both history and recreation, offering a chance to both explore your heritage and choose your adventure along the way. Start your journey here!
22 mi from route
~54 min detour
Free
near mile 149.2
During the summer of 1864, the Confederacy carried out a bold plan to turn the tide of the Civil War in their favor. They planned to capture Washington, DC and influence the election of 1864. On July...
30 mi from route
~74 min detour
Free
near mile 167.1
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
Expect a varied experience behind the wheel, as this 173.1-mile journey is classified as a mixed drive. About 45% of your travel time will be spent on highways, providing a balance between steady interstate cruising and more localized road travel. You will encounter a longest uninterrupted stretch of 64.3 miles while traveling on I-66, which serves as the primary high-speed portion of the trip. As you transition between the segments of the John Marshall Highway and Corridor H, the road's personality shifts from open stretches to more technical driving. This combination ensures you stay engaged while navigating the diverse topography of the region.
45% highway, the rest on surface roads — varied driving throughout.
38 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 64.3 mi on I 66.
How Hard Is This Drive?
9/10
This route mixes highway mileage with some local-road sections near the start or finish. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 139.5 miles in near I 66.
Driving Effort9/10
High effort - long or complex enough to need steady focus all day
Balances navigation complexity with total wheel time.
This is a demanding drive. With 27 significant decision points across 173.1 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: at 139.5 miles (I 66): Highway fork - watch signs carefully. Lane positioning matters here; at 161 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 168 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Elevation Profile
Gently rolling terrain
2,911 ft231 ft
Total Climb
2,785 ft
Total Descent
4,874 ft
Highest Point
2,911 ft
~21.9 mi in
Elevation Range
2,681 ft
Notable High Points
2,049 ft at ~58.4 miles+519 ft prominence
1,860 ft at ~80.3 miles+877 ft prominence
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Oakland, MD and Bethesda, MD, road signs point toward Washington and Baltimore.
Oakland is a small town in Garrett County, and one of the westernmost towns of Maryland. With a historic district, Oakland is one of the prettier towns in the area for a stroll.
Doable as a same-day drive at 3h 38m. Total distance: 173.1 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
3h 38m drive, comfortable solo distance.
Scenic Drive
Mixed highway & surface route profile with national parks nearby.
Frequently Asked Questions
The longest stretch is about 64.3 miles on I 66. The full list of main roads is in the Roads section above.
We did not find dedicated rest areas on this route. For a drive this long, plan bathroom and stretch breaks around gas stations, fast-food stops, or small-town downtowns — check the Nearby Places section for options.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Bethesda, MD before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 1 meaningful breaks. Dedicated rest areas are limited, so plan gas or food stops as your bathroom breaks.
The main spots that need attention: at 139.5 miles (I 66): Highway fork - watch signs carefully. Lane positioning matters here; at 161 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 168 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Yes — Chesapeake & Ohio Canal National Historical Park, Potomac Heritage National Scenic Trail and Monocacy National Battlefield. See the National Parks section for detour distances and tips on detours.
Possible but tiring. At 3.6 hours each way, an in-and-out day trip would put you behind the wheel for 7.3 hours — manageable with a long break at Bethesda, MD, but most travelers stay overnight.
