Origin
Mellwood, MD
Afternoon in Mellwood on Friday
Local time
1:59 PM
EDT
Current temp
76°F
Unavailable
Live forecast
Trip from Mellwood, MD to Gaithersburg, MD
Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 17, 2026 · Editorial standards
Drive Time
55m
Distance
40.1 mi
64 km
Drive Score
7/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$7
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 51m
★
6 AM
0h 56m
8 AM
1h 5m
10 AM
0h 59m
12 PM
0h 58m
3 PM
0h 59m
5 PM
1h 4m
8 PM
0h 53m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Mellwood, MD
Jason Morrison
Gaithersburg, MD
Kristopher Hines
Trip Overview
The drive from Mellwood, MD to Gaithersburg, MD covers 40.1 miles and takes about 55m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on Capital Beltway, I 270, Pennsylvania Avenue for much of the mileage, and the overall profile is turn-heavy local drive. The longest uninterrupted segment is about 24.4 miles on Capital Beltway. At current regular gas prices, budget about $6.65 one way before food or hotel costs.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 55m. Total distance: 40.1 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
55m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
Scenic Drive
Turn-heavy local drive route profile with national parks nearby.
Drive Character
Expect a 55m drive with frequent turns across 40.1 miles of local and secondary roads.
This route has more turning and local-road decision points than a simple highway run.
There are about 18 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Capital Beltway is the longest continuous segment at about 24.4 miles.
How Hard Is This Drive?
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.4 miles in.
Driving Effort
9/10
Focused - lots of decisions in a short distance, but it is over quickly
Balances navigation complexity with total wheel time.
This is a short but busy drive. With 15 decision points packed into just 40.1 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 55m.
Where does it get tricky?
The main spots that need attention: at 0.4 miles: Navigation decision point; at 3.2 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 18.5 miles (I 495 / Capital Beltway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Critical Maneuvers
5 of 15 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
5
0.4 mi into trip
|
~0m in
Take the ramp toward MD 4 North
Navigation decision point
Toward MD 4 North
5
3.2 mi into trip
|
~5m in
Take the exit toward I 95 North, I 495 North: Baltimore, College Park
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Toward I 95 North, I 495 North: Baltimore, Coll...
8
18.5 mi into trip
|
~25m in
|
I 495 / Capital Beltway
Keep slight left at fork onto I 495 / Capital Beltway toward I 495 West: Beltway, Silver Spring
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Toward I 495 West: Beltway, Silver Spring
8
28.1 mi into trip
|
~37m in
|
I 270
Keep slight right at fork onto I 270 toward I 270 North: Frederick
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Exit 35
Toward I 270 North: Frederick
7
31.6 mi into trip
|
~42m in
|
I 270
Keep slight right at fork onto I 270 toward I 270 North
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight right lane.
Toward I 270 North
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Mellwood, MD and Gaithersburg, MD, road signs point toward College Park and Silver Spring.
College Park
3.2 mi in
|
~5m
Silver Spring
18.5 mi in
|
~25m
|
via I 495
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Capital Beltway | 24.4 mi | 32m |
| I 270 | 10.9 mi | 14m |
| Pennsylvania Avenue | 2.5 mi | 3m |
| West Diamond Avenue | 0.5 mi | <1m |
| Woodyard Road | 0.3 mi | <1m |
| Chestnut Street | 0.2 mi | <1m |
| Melwood Road | 0.1 mi | <1m |
| Meem Avenue | 0.1 mi | <1m |
Longest stretch:
Capital Beltway
— 24.4 mi, about 32m
Turn-by-Turn Driving Directions
Step-by-step road directions between Mellwood, MD and Gaithersburg, MD.
1
Start on Marlboro Pike
83 ft
·
5 sec
·
Marlboro Pike
2
Turn right onto MD 223
0.3 mi
·
25 sec
·
Woodyard Road
3
Turn straight onto MD 223
410 ft
·
10 sec
·
Melwood Road
4
Continue on MD 223
327 ft
·
16 sec
·
Melwood Road
Use the left lane.
5
Take the ramp
0.3 mi
·
34 sec
Toward MD 4 North
6
Merge onto MD 4
2.5 mi
·
3 min
·
Pennsylvania Avenue
7
Take the exit
0.4 mi
·
46 sec
Toward I 95 North, I 495 North: Baltimore, College Park
8
Merge onto I 95; I 495
15 mi
·
19 min
·
Capital Beltway
Use the straight / slight right lanes.
9
Keep slight left at fork onto I 495
9.5 mi
·
12 min
·
Capital Beltway
Toward I 495 West: Beltway, Silver Spring
Use the straight / slight right lanes.
10
Keep slight right at fork onto I 270
3.6 mi
·
4 min
·
I 270
Exit 35
Toward I 270 North: Frederick
Use the straight / slight right lanes.
11
Keep slight right at fork onto I 270
7.3 mi
·
9 min
·
I 270
Toward I 270 North
Use the slight right lane.
12
Take the exit
0.3 mi
·
42 sec
Toward MD 117, MD 124 South: Clopper Road, West Diamond Avenue, Quince Orchard Road
13
Turn left onto MD 117
0.5 mi
·
50 sec
·
West Diamond Avenue
14
Turn left onto Meem Avenue
0.1 mi
·
29 sec
·
Meem Avenue
15
Turn right onto Chestnut Street
0.2 mi
·
35 sec
·
Chestnut Street
16
Turn right onto MD 355
251 ft
·
6 sec
·
North Frederick Avenue
17
Turn right
85 ft
·
6 sec
18
Arrive at destination
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 20 mi from Mellwood, MD · 27m into the drive
Mid-route town
Meal stop
20 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Pacing Suggestions
Fuel and coffee
A short stop after about 40 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 20 miles from Mellwood, MD, which is a good place for a longer meal and fuel stop.
Arriving in Gaithersburg, MD
Allow a few extra minutes for the final approach into Gaithersburg, MD if you are unfamiliar with the area.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$6.65 one way
$13.30 round trip
$4.21/gal
25.4 MPG avg
14 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.61 | $7.28 | $14.56 |
| premium | $4.93 | $7.78 | $15.55 |
| diesel | $5.61 | $8.85 | $17.71 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$7
Estimated CO2 emission: 14 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $4 in charging · 0 stops · 64% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 12 | 0 | $4.21 | $1.92 |
| Efficient EV | 10 | 0 | $3.51 | $1.60 |
| EV Truck/SUV | 16 | 0 | $5.61 | $2.57 |
Gas CO2
14 kg
EV CO2
5 kg (64% 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.
Destination
Gaithersburg, MD
Afternoon in Gaithersburg on Friday
Local time
1:59 PM
EDT
Current temp
73°F
Unavailable
Live forecast
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
3 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
55m 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.
Frequently Asked Questions
The drive from Mellwood, MD to Gaithersburg, MD covers 40.1 miles and takes about 55m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Capital Beltway, I 270, Pennsylvania Avenue. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 20 miles from Mellwood, MD. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $6.65 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.
This is a short but busy drive. With 15 decision points packed into just 40.1 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 55m.
The main spots that need attention: at 0.4 miles: Navigation decision point; at 3.2 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 18.5 miles (I 495 / Capital Beltway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Between Mellwood, MD and Gaithersburg, MD, road signs point toward College Park and Silver Spring.
Yes. Nearby national parks include Chesapeake & Ohio Canal National Historical Park, Potomac Heritage National Scenic Trail and Monocacy National Battlefield.
How this page is built
Compiled by the Trip.ovh planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, and NPS for national parks. See our methodology for refresh cadence and limitations.
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