How far is Catonsville, MD from Olney, MD?
The driving distance from Catonsville, MD to Olney, MD is about 31.9 miles (51.3 km), with a travel time of about 00h 40m by car.
- The straight-line flight distance is about 19.7 miles (31.7 km).
- For a round trip, plan for roughly 01h 20m 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 40m.
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 Howard County, Maryland, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers then Slight Chance Showers And Thunderstorms
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Catonsville and Olney.
Turn-by-Turn Driving Directions
Step-by-step road directions between Catonsville and Olney.
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1
Start on the route
11 m · 4 sec
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2
Turn right onto Frederick Road
3.6 mi · 8 min · Frederick Road
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3
Continue on Main Street
1018 ft · 40 sec · Main Street
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4
Turn left onto Old Columbia Pike
1.5 mi · 4 min · Old Columbia Pike
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5
Turn slight right onto Montgomery Road
676 ft · 23 sec · Montgomery Road
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6
Take the ramp left toward US 29 South: Washington
1302 ft · 32 sec
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7
Merge slight left onto Columbia Pike
1.4 km · 58 sec · Columbia Pike
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8
Take the exit slight right toward MD 108 West: Clarksville, Dorsey's Search, Harper's Choice
2480 ft · 1 min
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9
Turn straight onto Clarksville Pike
10 mi · 16 min · Clarksville Pike
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10
Continue on Ashton Road
2.4 mi · 4 min · Ashton Road
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11
Continue on Olney Sandy Spring Road
3.2 mi · 5 min · Olney Sandy Spring Road
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12
Turn sharp left onto Georgia Avenue
36 m · 14 sec · Georgia Avenue
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13
Arrive at your destination
0 m · 1 sec · Georgia Avenue
Car Route Details
A richer read on the saved driving route between Catonsville and Olney.
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.
Clarksville Pike
Turn straight onto Clarksville Pike
9.97 mi · 00h 16m
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.
Chance Rain Showers then Slight Chance Showers And Thunderstorms leaving Catonsville and Showers And Thunderstorms Likely near Olney.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Catonsville to Olney?
The road trip is about 31.9 miles (51.3 km) and usually takes 00h 40m 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?
North Laurel is a useful midpoint, sitting about 11.3 miles from Catonsville and 20.6 miles from Olney.
How much longer is the road route than the straight-line distance?
The direct path is about 19.7 miles (31.7 km), while the road route adds roughly 12.2 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 7:10 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.62 one way or $9.23 round trip. Estimated CO2 is about 10 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 Showers And Thunderstorms Likely near Olney.
Stop Ideas Near North Laurel
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to North Laurel.
BWI Rail Station
New Carrollton station
Rockville station
Washington Union Station
Flight Path Map
This map shows the direct air route between Catonsville and Olney. Straight-line distance: 19.73 mi (31.75 km).
#1 Catonsville
A city in Baltimore County, Maryland.
| Population | 41,567 |
| Coordinates | 39.2720500, -76.7319200 |
| Altitude | 146 |
| Country | United States |
#2 Olney
Unincorporated area of Montgomery County, Maryland, United States of America
| Population | 33,844 |
| Coordinates | 39.1531600, -77.0669200 |
| Altitude | 165 |
| Country | United States |
End: Georgia Avenue (-77.066929, 39.153178)
Estimated Travel Time
Distance: 51 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 03m |
| 40 mph (64.37 km/h) | 00h 47m |
| 50 mph (80.47 km/h) | 00h 38m |
| 60 mph (96.56 km/h) | 00h 31m |
| 70 mph (112.65 km/h) | 00h 27m |
| 80 mph (129 km/h) | 00h 23m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $4.62 | $9.23 |
| Mid-grade | $4.60 | $5.20 | $10.39 |
| Premium | $4.95 | $5.60 | $11.20 |
| Diesel | $5.98 | $6.76 | $13.51 |
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.