How far is Glenn Dale, MD from Rockville, MD?
The driving distance from Glenn Dale, MD to Rockville, MD is about 24.2 miles (39 km), with a travel time of about 00h 34m by car.
- The straight-line flight distance is about 19 miles (30.6 km).
- For a round trip, plan for roughly 01h 09m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
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.
This is an easy same-day return drive.
Flight Distance
Driving Distance
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 34m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
Census-designated place in Montgomery County, Maryland, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Glenn Dale and Rockville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Glenn Dale and Rockville.
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1
Start on the route
57 m · 8 sec
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2
Turn left onto Lanham Severn Road
605 ft · 22 sec · Lanham Severn Road
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3
Turn left onto Greenbelt Road
3.5 mi · 6 min · Greenbelt Road
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4
Turn sharp right onto Southway
643 ft · 22 sec · Southway
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5
Take the ramp slight right toward Washington
955 ft · 24 sec
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6
Merge slight left onto Baltimore-Washington Parkway
88 m · 4 sec · Baltimore-Washington Parkway
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7
Take the exit slight right toward I 95 North, I 495 North: Silver Spring, Baltimore
2283 ft · 56 sec
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8
Merge slight left onto Capital Beltway
3.6 mi · 5 min · Capital Beltway
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9
Keep slight left to continue on Capital Beltway
9.5 mi · 12 min · Capital Beltway
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10
Keep slight right to continue on I 270 North: Frederick
3.6 mi · 5 min
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11
Keep slight right to continue on I 270 North
1.8 mi · 2 min
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12
Take the exit slight right toward MD 189: Falls Road
753 ft · 18 sec
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13
Keep slight right to continue on MD 189 North: Falls Road, Rockville, Town Center
567 ft · 14 sec
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14
Turn straight onto Falls Road
132 m · 21 sec · Falls Road
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15
Turn left onto Great Falls Road
1.1 km · 2 min · Great Falls Road
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16
Continue on West Montgomery Avenue
1159 ft · 38 sec · West Montgomery Avenue
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17
Turn right onto South Washington Street
19 m · 2 sec · South Washington Street
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18
Arrive at your destination
0 m · 1 sec · South Washington Street
Car Route Details
A richer read on the saved driving route between Glenn Dale and Rockville.
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.
Capital Beltway
Keep slight left to continue on Capital Beltway
9.52 mi · 00h 12m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Sunny leaving Glenn Dale and Sunny near Rockville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Glenn Dale to Rockville?
The road trip is about 24.2 miles (39 km) and usually takes 00h 34m 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?
Kemp Mill is a useful midpoint, sitting about 12.1 miles from Glenn Dale and 12.2 miles from Rockville.
How much longer is the road route than the straight-line distance?
The direct path is about 19 miles (30.6 km), while the road route adds roughly 5.2 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 7:20 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.51 one way or $7.03 round trip. Estimated CO2 is about 7.6 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Glenn Dale and Sunny near Rockville.
Stop Ideas Near Kemp Mill
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
United States Capitol
D C Government
THEARC: Town Hall Education Arts Recreation Campus
Town Hall Liquor And Bar
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Kemp Mill.
Rockville station
New Carrollton station
Washington Union Station
Union Station
Flight Path Map
This map shows the direct air route between Glenn Dale and Rockville. Straight-line distance: 19.03 mi (30.63 km).
#1 Glenn Dale
Census designated place in Maryland, United States
| Population | 13,466 |
| Coordinates | 38.9876100, -76.8205300 |
| Altitude | 35 |
| Country | United States |
#2 Rockville
The most populous city in Montgomery County, Maryland.
| Population | 69,512 |
| Coordinates | 39.0840000, -77.1527600 |
| Altitude | 137 |
| Country | United States |
End: South Washington Street (-77.152887, 39.083997)
Estimated Travel Time
Distance: 39 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 48m |
| 40 mph (64.37 km/h) | 00h 36m |
| 50 mph (80.47 km/h) | 00h 29m |
| 60 mph (96.56 km/h) | 00h 24m |
| 70 mph (112.65 km/h) | 00h 20m |
| 80 mph (129 km/h) | 00h 18m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $3.51 | $7.03 |
| Mid-grade | $4.60 | $3.96 | $7.91 |
| Premium | $4.95 | $4.26 | $8.52 |
| Diesel | $5.98 | $5.14 | $10.29 |
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 24, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.