How far is Catonsville, MD from Rockville, MD?
The driving distance from Catonsville, MD to Rockville, MD is about 35.4 miles (57 km), with a travel time of about 00h 46m by car.
- The straight-line flight distance is about 26 miles (41.9 km).
- For a round trip, plan for roughly 01h 32m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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.
This route works well as a day trip with time at the destination.
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 46m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers then Slight Chance Showers And Thunderstorms
Chance Rain Showers then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Catonsville and Rockville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Catonsville and Rockville.
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1
Start on the route
11 m · 8 sec
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2
Turn left onto Frederick Road
47 m · 9 sec · Frederick Road
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3
Turn right onto Bloomsbury Avenue
1.5 km · 2 min · Bloomsbury Avenue
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4
At the end of the road, turn left onto South Rolling Road
1.4 km · 2 min · South Rolling Road
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5
Continue on South Rolling Road
1657 ft · 39 sec · South Rolling Road
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6
Turn left onto I 195 East
1.2 km · 47 sec
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7
Take the exit slight right toward I 95 South: Washington
2757 ft · 1 min
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8
Merge slight left
14.7 mi · 17 min
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9
Take the exit slight right toward MD 200 Toll West
1.5 km · 1 min
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10
Merge slight left onto Intercounty Connector
9.5 mi · 12 min · Intercounty Connector
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11
Take the exit slight right toward MD 97: Georgia Avenue, Olney, Wheaton
1708 ft · 42 sec
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12
Keep slight left to continue on MD 97 South: Georgia Avenue South, Wheaton
2642 ft · 1 min
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13
Turn right onto Georgia Avenue
1.2 km · 1 min · Georgia Avenue
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14
Turn right onto Norbeck Road
3.6 mi · 6 min · Norbeck Road
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15
Continue on First Street
2575 ft · 57 sec · First Street
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16
Turn right onto Veirs Mill Road
2936 ft · 1 min · Veirs Mill Road
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17
Continue on East Jefferson Street
1622 ft · 54 sec · East Jefferson Street
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18
Turn right onto South Washington Street
91 m · 10 sec · South Washington Street
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19
Arrive at your destination
0 m · 1 sec · South Washington Street
Car Route Details
A richer read on the saved driving route between Catonsville 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.
I 95 South
Merge slight left
14.7 mi · 00h 17m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Chance Rain Showers then Slight Chance Showers And Thunderstorms leaving Catonsville and Chance Rain Showers then Slight Chance Showers And Thunderstorms near Rockville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Catonsville to Rockville?
The road trip is about 35.4 miles (57 km) and usually takes 00h 46m 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?
West Laurel is a useful midpoint, sitting about 17.5 miles from Catonsville and 17.9 miles from Rockville.
How much longer is the road route than the straight-line distance?
The direct path is about 26 miles (41.9 km), while the road route adds roughly 9.4 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 4:58 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.11 one way or $10.22 round trip. Estimated CO2 is about 11.1 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers then Slight Chance Showers And Thunderstorms around Catonsville and Chance Rain Showers then Slight Chance Showers And Thunderstorms near Rockville.
Stop Ideas Near West Laurel
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City of Rockville City Hall
D C Government
City of Bowie
Town Hall Liquor And Bar
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to West Laurel.
New Carrollton station
BWI Rail Station
Rockville station
Washington Union Station
Flight Path Map
This map shows the direct air route between Catonsville and Rockville. Straight-line distance: 26.02 mi (41.87 km).
#1 Catonsville
A city in Baltimore County, Maryland.
| Population | 41,567 |
| Coordinates | 39.2720500, -76.7319200 |
| Altitude | 146 |
| 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: 57 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 10m |
| 40 mph (64.37 km/h) | 00h 53m |
| 50 mph (80.47 km/h) | 00h 42m |
| 60 mph (96.56 km/h) | 00h 35m |
| 70 mph (112.65 km/h) | 00h 30m |
| 80 mph (129 km/h) | 00h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $5.11 | $10.22 |
| Mid-grade | $4.60 | $5.75 | $11.50 |
| Premium | $4.95 | $6.19 | $12.39 |
| Diesel | $5.98 | $7.48 | $14.95 |
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 22, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.