How far is Darnestown, MD from Catonsville, MD?
The driving distance from Darnestown, MD to Catonsville, MD is about 43.9 miles (70.7 km), with a travel time of about 00h 54m by car.
- The straight-line flight distance is about 32.1 miles (51.7 km).
- For a round trip, plan for roughly 01h 48m 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 54m.
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.
Town in Oklahoma, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers
Rain Showers
Driving Route Map
The map below follows the saved road route between Darnestown and Catonsville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Darnestown and Catonsville.
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1
Start on the route
46 m · 17 sec
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2
Turn left
35 m · 16 sec
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3
Turn left onto Darnestown Road
2.5 mi · 5 min · Darnestown Road
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4
Turn left onto Quince Orchard Road
1.1 mi · 2 min · Quince Orchard Road
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5
Turn right onto Great Seneca Highway
2.1 mi · 3 min · Great Seneca Highway
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6
Turn left onto Sam Eig Highway
1.5 km · 2 min · Sam Eig Highway
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7
Continue straight
2.2 mi · 3 min
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8
Continue on Intercounty Connector
16.3 mi · 21 min · Intercounty Connector
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9
Take the exit slight right toward I 95: Laurel, Burtonsville
2257 ft · 51 sec
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10
Keep slight left to continue on MD 198: Konterra Drive
2986 ft · 39 sec
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11
Keep slight left to continue on MD 198: Laurel, Burtonsville
1.5 km · 1 min
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12
Keep slight left to continue on MD 198 West: Burtonsville
2970 ft · 39 sec
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13
Keep slight left
1.2 km · 50 sec
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14
Merge slight left
12.5 mi · 14 min
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15
Take the exit slight right toward I 195 East, MD 166: BWI Thurgood Marshall Airport, Catonsville
1708 ft · 22 sec
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16
Keep slight left to continue on MD 166: Catonsville
2203 ft · 54 sec
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17
Merge slight right onto Metropolitan Boulevard
1.4 km · 57 sec · Metropolitan Boulevard
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18
Keep slight right to continue on MD 166: Catonsville, Community College of Baltimore County
1.1 mi · 3 min
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19
Turn right onto Bloomsbury Avenue
1.5 km · 2 min · Bloomsbury Avenue
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20
Turn left onto Frederick Road
47 m · 7 sec · Frederick Road
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21
Turn right
11 m · 3 sec
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22
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Darnestown and Catonsville.
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.
Intercounty Connector
Continue on Intercounty Connector
16.3 mi · 00h 21m
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.
Rain Showers leaving Darnestown and Rain Showers near Catonsville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Darnestown to Catonsville?
The road trip is about 43.9 miles (70.7 km) and usually takes 00h 54m 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?
Fairland is a useful midpoint, sitting about 22.3 miles from Darnestown and 21.6 miles from Catonsville.
How much longer is the road route than the straight-line distance?
The direct path is about 32.1 miles (51.7 km), while the road route adds roughly 11.8 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 4:42 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.33 one way or $12.67 round trip. Estimated CO2 is about 13.8 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers around Darnestown and Rain Showers near Catonsville.
Stop Ideas Near Fairland
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 Fairland.
Rockville station
New Carrollton station
Washington Union Station
BWI Rail Station
Flight Path Map
This map shows the direct air route between Darnestown and Catonsville. Straight-line distance: 32.12 mi (51.69 km).
#1 Darnestown
Census-designated place in Montgomery County, Maryland, United States
| Population | 6,802 |
| Coordinates | 39.1034400, -77.2908200 |
| Altitude | 133 |
| Country | United States |
#2 Catonsville
A city in Baltimore County, Maryland.
| Population | 41,567 |
| Coordinates | 39.2720500, -76.7319200 |
| Altitude | 146 |
| Country | United States |
End: (-76.731988, 39.272037)
Estimated Travel Time
Distance: 71 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 27m |
| 40 mph (64.37 km/h) | 01h 05m |
| 50 mph (80.47 km/h) | 00h 52m |
| 60 mph (96.56 km/h) | 00h 43m |
| 70 mph (112.65 km/h) | 00h 37m |
| 80 mph (129 km/h) | 00h 32m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $6.33 | $12.67 |
| Mid-grade | $4.60 | $7.13 | $14.26 |
| Premium | $4.95 | $7.68 | $15.36 |
| Diesel | $5.98 | $9.27 | $18.54 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.