How far is Mount Rainier, MD from Catonsville, MD?
The driving distance from Mount Rainier, MD to Catonsville, MD is about 31.8 miles (51.1 km), with a travel time of about 00h 48m by car.
- The straight-line flight distance is about 26 miles (41.9 km).
- For a round trip, plan for roughly 01h 37m 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 48m.
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.
Census-designated place in Howard County, Maryland, 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 Mount Rainier and Catonsville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mount Rainier and Catonsville.
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1
Start on 31st Street
742 ft · 31 sec · 31st Street
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2
Turn left onto Upshur Street
101 m · 13 sec · Upshur Street
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3
Turn right onto 30th Street
2096 ft · 1 min · 30th Street
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4
Turn right onto Queens Chapel Road
2046 ft · 41 sec · Queens Chapel Road
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5
Turn left onto Ager Road
1.4 mi · 3 min · Ager Road
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6
Turn straight onto East-West Highway
675 ft · 16 sec · East-West Highway
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7
Turn right onto Riggs Road
1.3 km · 2 min · Riggs Road
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8
Turn left onto University Boulevard East
3081 ft · 1 min · University Boulevard East
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9
Turn right onto New Hampshire Avenue
1.9 mi · 3 min · New Hampshire Avenue
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10
Take the ramp slight right toward I 495: Northern Virginia, Silver Spring, Baltimore, College Park
798 ft · 20 sec
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11
Keep slight right to continue on I 495 East: Baltimore, College Park
2045 ft · 50 sec
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12
Merge slight left onto Capital Beltway
2469 ft · 32 sec · Capital Beltway
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13
Take the exit slight right toward I 95 North: Baltimore
1579 ft · 39 sec
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14
Keep slight left to continue on I 95 North: Baltimore, New York
1.1 mi · 2 min
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15
Merge slight left
19.1 mi · 22 min
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16
Take the exit slight right toward I 195 East, MD 166: BWI Thurgood Marshall Airport, Catonsville
1708 ft · 22 sec
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17
Keep slight left to continue on MD 166: Catonsville
2203 ft · 54 sec
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18
Merge slight right onto Metropolitan Boulevard
1.4 km · 57 sec · Metropolitan Boulevard
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19
Keep slight right to continue on MD 166: Catonsville, Community College of Baltimore County
1.1 mi · 3 min
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20
Turn right onto Bloomsbury Avenue
1.5 km · 2 min · Bloomsbury Avenue
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21
Turn left onto Frederick Road
47 m · 7 sec · Frederick Road
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22
Turn right
11 m · 3 sec
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23
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Mount Rainier 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
19.1 mi · 00h 22m
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 Mount Rainier 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 Mount Rainier to Catonsville?
The road trip is about 31.8 miles (51.1 km) and usually takes 00h 48m 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?
North Laurel is a useful midpoint, sitting about 15.5 miles from Mount Rainier and 16.2 miles from Catonsville.
How much longer is the road route than the straight-line distance?
The direct path is about 26 miles (41.9 km), while the road route adds roughly 5.8 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 4:52 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.58 one way or $9.15 round trip. Estimated CO2 is about 10 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers around Mount Rainier and Rain Showers near Catonsville.
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 Mount Rainier and Catonsville. Straight-line distance: 26.04 mi (41.9 km).
#1 Mount Rainier
Stratovolcano in the U.
| Population | 8,117 |
| Coordinates | 38.9415000, -76.9649800 |
| Altitude | 23 |
| 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: 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 | $4.58 | $9.15 |
| Mid-grade | $4.60 | $5.15 | $10.30 |
| Premium | $4.95 | $5.55 | $11.10 |
| Diesel | $5.98 | $6.70 | $13.40 |
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.