How far is Calverton, MD from Rockville, MD?
The driving distance from Calverton, MD to Rockville, MD is about 20.3 miles (32.6 km), with a travel time of about 00h 27m by car.
- The straight-line flight distance is about 11.8 miles (19 km).
- For a round trip, plan for roughly 00h 55m 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 27m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
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.
Partly Cloudy
Mostly Clear
Driving Route Map
The map below follows the saved road route between Calverton and Rockville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Calverton and Rockville.
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1
Start on Dunnington Road
37 m · 7 sec · Dunnington Road
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2
Turn right onto Key Street
96 m · 15 sec · Key Street
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3
Turn right onto Fullerton Street
701 ft · 35 sec · Fullerton Street
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4
At the end of the road, turn left onto Ingleside Drive
108 m · 18 sec · Ingleside Drive
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5
Turn left onto Bellevue Street
92 m · 16 sec · Bellevue Street
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6
Turn right onto Beltsville Road
1144 ft · 52 sec · Beltsville Road
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7
At the end of the road, turn right onto Calverton Boulevard
1 km · 2 min · Calverton Boulevard
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8
Turn right onto Cherry Hill Road
1.2 km · 1 min · Cherry Hill Road
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9
Continue on East Randolph Road
2.5 mi · 4 min · East Randolph Road
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10
Continue on Randolph Road
4.8 mi · 10 min · Randolph Road
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11
Turn right onto Veirs Mill Road
4 mi · 7 min · Veirs Mill Road
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12
Continue on East Jefferson Street
1622 ft · 54 sec · East Jefferson Street
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13
Turn right onto South Washington Street
91 m · 10 sec · South Washington Street
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14
Arrive at your destination
0 m · 1 sec · South Washington Street
Car Route Details
A richer read on the saved driving route between Calverton 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.
Randolph Road
Continue on Randolph Road
4.84 mi · 00h 10m
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.
Partly Cloudy leaving Calverton and Mostly Clear near Rockville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Calverton to Rockville?
The road trip is about 20.3 miles (32.6 km) and usually takes 00h 27m 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 6.8 miles from Calverton and 13.5 miles from Rockville.
How much longer is the road route than the straight-line distance?
The direct path is about 11.8 miles (19 km), while the road route adds roughly 8.5 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:34 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 Partly Cloudy around Calverton and Mostly Clear 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
The John Wilson Building
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 Calverton and Rockville. Straight-line distance: 11.78 mi (18.96 km).
#1 Calverton
Unincorporated area in Montgomery and Prince George's County, Maryland, United States
| Population | 17,724 |
| Coordinates | 39.0576100, -76.9358100 |
| Altitude | 84 |
| 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: 33 km by road
| Speed | Time |
|---|---|
| 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.
| Fuel | $/gal | One way | Round 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 · May 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.