How far is Catonsville, MD from Mount Rainier, MD?
The driving distance from Catonsville, MD to Mount Rainier, MD is about 30.3 miles (48.7 km), with a travel time of about 00h 46m by car.
- The straight-line flight distance is about 26 miles (41.9 km).
- For a round trip, plan for roughly 01h 32m 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 46m.
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 Catonsville and Mount Rainier.
Turn-by-Turn Driving Directions
Step-by-step road directions between Catonsville and Mount Rainier.
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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
17.2 mi · 20 min
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9
Take the exit slight right toward MD 212 West: Calverton
3254 ft · 43 sec
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10
Turn straight onto Powder Mill Road
2.4 mi · 4 min · Powder Mill Road
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11
Turn straight onto Riggs Road
4.1 mi · 8 min · Riggs Road
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12
Turn left onto East-West Highway
812 ft · 28 sec · East-West Highway
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13
Keep slight right to continue on Ager Road
1.3 mi · 3 min · Ager Road
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14
Turn right onto Queens Chapel Road
2043 ft · 45 sec · Queens Chapel Road
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15
Turn left onto 30th Street
2131 ft · 1 min · 30th Street
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16
Turn left onto Upshur Street
101 m · 13 sec · Upshur Street
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17
Turn right onto 31st Street
742 ft · 25 sec · 31st Street
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18
Arrive at your destination
0 m · 1 sec · 31st Street
Car Route Details
A richer read on the saved driving route between Catonsville and Mount Rainier.
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
17.2 mi · 00h 20m
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 Mount Rainier.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Catonsville to Mount Rainier?
The road trip is about 30.3 miles (48.7 km) and usually takes 00h 46m 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 15.2 miles from Catonsville and 15.2 miles from Mount Rainier.
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 4.3 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 4:58 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.37 one way or $8.74 round trip. Estimated CO2 is about 9.5 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers around Catonsville and Rain Showers near Mount Rainier.
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 Mount Rainier. Straight-line distance: 26.04 mi (41.9 km).
#1 Catonsville
A city in Baltimore County, Maryland.
| Population | 41,567 |
| Coordinates | 39.2720500, -76.7319200 |
| Altitude | 146 |
| Country | United States |
#2 Mount Rainier
Stratovolcano in the U.
| Population | 8,117 |
| Coordinates | 38.9415000, -76.9649800 |
| Altitude | 23 |
| Country | United States |
End: Mount Rainier (-76.96498, 38.9415)
Estimated Travel Time
Distance: 49 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 00m |
| 40 mph (64.37 km/h) | 00h 45m |
| 50 mph (80.47 km/h) | 00h 36m |
| 60 mph (96.56 km/h) | 00h 30m |
| 70 mph (112.65 km/h) | 00h 25m |
| 80 mph (129 km/h) | 00h 22m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $4.37 | $8.74 |
| Mid-grade | $4.60 | $4.92 | $9.84 |
| Premium | $4.95 | $5.30 | $10.60 |
| Diesel | $5.98 | $6.40 | $12.80 |
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.