How far is Adelphi, MD from Catonsville, MD?
The driving distance from Adelphi, MD to Catonsville, MD is about 26.5 miles (42.7 km), with a travel time of about 00h 34m by car.
- The straight-line flight distance is about 22.6 miles (36.4 km).
- For a round trip, plan for roughly 01h 08m 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 34m.
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.
Sunny
Driving Route Map
The map below follows the saved road route between Adelphi and Catonsville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Adelphi and Catonsville.
-
1
Start on Riggs Road
1.8 mi · 3 min · Riggs Road
-
2
Continue on Powder Mill Road
2.7 mi · 5 min · Powder Mill Road
-
3
Take the ramp slight right toward I 95 North: Baltimore
2298 ft · 54 sec
-
4
Keep slight left to continue on I 95 North
1.1 km · 46 sec
-
5
Merge slight left
16.7 mi · 19 min
-
6
Take the exit slight right toward I 195 East, MD 166: BWI Thurgood Marshall Airport, Catonsville
1708 ft · 22 sec
-
7
Keep slight left to continue on MD 166: Catonsville
2203 ft · 54 sec
-
8
Merge slight right onto Metropolitan Boulevard
1.4 km · 57 sec · Metropolitan Boulevard
-
9
Keep slight right to continue on MD 166: Catonsville, Community College of Baltimore County
1.1 mi · 3 min
-
10
Turn right onto Bloomsbury Avenue
1.5 km · 2 min · Bloomsbury Avenue
-
11
Turn left onto Frederick Road
47 m · 7 sec · Frederick Road
-
12
Turn right
11 m · 3 sec
-
13
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Adelphi 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.
I 95 North
Merge slight left
16.7 mi · 00h 19m
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.
Sunny leaving Adelphi and Sunny near Catonsville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Adelphi to Catonsville?
The road trip is about 26.5 miles (42.7 km) and usually takes 00h 34m 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 13 miles from Adelphi and 13.5 miles from Catonsville.
How much longer is the road route than the straight-line distance?
The direct path is about 22.6 miles (36.4 km), while the road route adds roughly 3.9 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 7:22 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.84 one way or $7.68 round trip. Estimated CO2 is about 8.4 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Adelphi and Sunny near Catonsville.
Stop Ideas Near North Laurel
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City of Bowie
Riverdale Park Town Hall
Town Hall Liquor And Bar
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 Adelphi and Catonsville. Straight-line distance: 22.59 mi (36.36 km).
#1 Adelphi
Census designated place in Prince George's County, Maryland, United States
| Population | 15,086 |
| Coordinates | 39.0031700, -76.9719200 |
| Altitude | 52 |
| 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: 43 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 53m |
| 40 mph (64.37 km/h) | 00h 39m |
| 50 mph (80.47 km/h) | 00h 31m |
| 60 mph (96.56 km/h) | 00h 26m |
| 70 mph (112.65 km/h) | 00h 22m |
| 80 mph (129 km/h) | 00h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $3.84 | $7.68 |
| Mid-grade | $4.60 | $4.32 | $8.65 |
| Premium | $4.95 | $4.66 | $9.31 |
| Diesel | $5.98 | $5.62 | $11.24 |
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.