How far is Severn, MD from Catonsville, MD?
The driving distance from Severn, MD to Catonsville, MD is about 12.4 miles (19.9 km), with a travel time of about 00h 20m by car.
- The straight-line flight distance is about 9.5 miles (15.3 km).
- For a round trip, plan for roughly 00h 41m 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 20m.
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 Howard County, Maryland, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Cloudy
Driving Route Map
The map below follows the saved road route between Severn and Catonsville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Severn and Catonsville.
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1
Start on Severn Station Road
12 m · 7 sec · Severn Station Road
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2
Continue on Severn Station Road
1204 ft · 58 sec · Severn Station Road
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3
At the end of the road, turn left onto Severn Road
43 m · 10 sec · Severn Road
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4
Turn left onto Reece Road
1.4 km · 2 min · Reece Road
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5
Turn left onto Telegraph Road
1.1 km · 1 min · Telegraph Road
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6
Continue on Telegraph Road
1.5 km · 2 min · Telegraph Road
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7
Continue on Aviation Boulevard
2.3 mi · 4 min · Aviation Boulevard
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8
Take the ramp slight right toward I 195 West: Baltimore, Washington
969 ft · 24 sec
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9
Merge slight left onto Metropolitan Boulevard
4.8 mi · 6 min · Metropolitan Boulevard
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10
Keep slight right to continue on MD 166: Catonsville, Community College of Baltimore County
1.1 mi · 3 min
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11
Turn right onto Bloomsbury Avenue
1.5 km · 2 min · Bloomsbury Avenue
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12
Turn left onto Frederick Road
47 m · 7 sec · Frederick Road
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13
Turn right
11 m · 3 sec
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14
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Severn 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.
Metropolitan Boulevard
Merge slight left onto Metropolitan Boulevard
4.81 mi · 00h 06m
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 Severn and Partly Cloudy near Catonsville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Severn to Catonsville?
The road trip is about 12.4 miles (19.9 km) and usually takes 00h 20m 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?
Elkridge is a useful midpoint, sitting about 6.1 miles from Severn and 6.3 miles from Catonsville.
How much longer is the road route than the straight-line distance?
The direct path is about 9.5 miles (15.3 km), while the road route adds roughly 2.9 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 7:48 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $1.80 one way or $3.60 round trip. Estimated CO2 is about 3.9 kg one way.
What should you check before leaving?
Before you leave, expect Partly Cloudy around Severn and Partly Cloudy near Catonsville.
Stop Ideas Near Elkridge
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City of Bowie
Baltimore City Hall
Relay Town Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Elkridge.
BWI Rail Station
Pennsylvania Station
New Carrollton station
Rockville station
Flight Path Map
This map shows the direct air route between Severn and Catonsville. Straight-line distance: 9.5 mi (15.29 km).
#1 Severn
Census-designated place in Anne Arundel County, Maryland, United States
| Population | 44,231 |
| Coordinates | 39.1370500, -76.6983000 |
| Altitude | 49 |
| 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: 20 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 24m |
| 40 mph (64.37 km/h) | 00h 18m |
| 50 mph (80.47 km/h) | 00h 14m |
| 60 mph (96.56 km/h) | 00h 12m |
| 70 mph (112.65 km/h) | 00h 10m |
| 80 mph (129 km/h) | 00h 09m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $1.80 | $3.60 |
| Mid-grade | $4.60 | $2.02 | $4.05 |
| Premium | $4.95 | $2.18 | $4.36 |
| Diesel | $5.98 | $2.63 | $5.26 |
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.