How far is Catonsville, MD from Darnestown, MD?
The driving distance from Catonsville, MD to Darnestown, MD is about 43.8 miles (70.5 km), with a travel time of about 01h 01m by car.
- The straight-line flight distance is about 32.1 miles (51.7 km).
- For a round trip, plan for roughly 02h 02m 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 01h 01m.
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 Catonsville and Darnestown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Catonsville and Darnestown.
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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
Continue on Intercounty Connector
6.2 mi · 8 min · Intercounty Connector
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12
Continue straight
3.3 mi · 5 min
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13
Turn right onto Great Seneca Highway
2 mi · 3 min · Great Seneca Highway
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14
Turn left onto Quince Orchard Road
1.2 mi · 2 min · Quince Orchard Road
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15
Turn slight right
47 m · 6 sec
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16
Turn slight right onto Darnestown Road
2.5 mi · 5 min · Darnestown Road
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17
Turn right
35 m · 11 sec
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18
Turn right
46 m · 11 sec
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19
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Catonsville and Darnestown.
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.
Rain Showers leaving Catonsville and Rain Showers near Darnestown.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Catonsville to Darnestown?
The road trip is about 43.8 miles (70.5 km) and usually takes 01h 01m 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 21.9 miles from Catonsville and 21.9 miles from Darnestown.
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 11.7 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 4:28 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 Catonsville and Rain Showers near Darnestown.
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 Catonsville and Darnestown. Straight-line distance: 32.12 mi (51.69 km).
#1 Catonsville
A city in Baltimore County, Maryland.
| Population | 41,567 |
| Coordinates | 39.2720500, -76.7319200 |
| Altitude | 146 |
| Country | United States |
#2 Darnestown
Census-designated place in Montgomery County, Maryland, United States
| Population | 6,802 |
| Coordinates | 39.1034400, -77.2908200 |
| Altitude | 133 |
| Country | United States |
End: Darnestown (-77.29082, 39.10344)
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.