Last recalculated Apr 17, 2026
Drive Time
57m
Distance
37 mi
59 km
Drive Score
7/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$6
one way
EV Charging
Unknown
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Catonsville, MD
Wikimedia Commons
Suitland, MD
Wikimedia Commons
The drive from Catonsville, MD to Suitland, MD covers 37 miles and takes about 57m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on Baltimore-Washington Parkway, MD 166, Addison Road for much of the mileage, and the overall profile is highway-focused drive. The longest uninterrupted segment is about 23.2 miles on Baltimore-Washington Parkway. At current regular gas prices, budget about $6.13 one way before food or hotel costs.
Weekend Trip
Doable as a same-day drive at 57m. Total distance: 37 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
57m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (72%). Some complex stretches to watch for.
This is a 57m highway drive covering 37 miles, with most of the trip on Baltimore-Washington Parkway and MD 166. The longest continuous stretch is about 23.2 miles on Baltimore-Washington Parkway.
This is a straightforward highway drive that stays mostly on Baltimore-Washington Parkway and MD 166. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes early in the drive near MD 144 / Frederick Road.
Focused - busy navigation packed into a short drive
Balances navigation complexity with total wheel time.
This is a short but busy drive. With 13 decision points packed into just 37 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 57m.
Where does it get tricky?
The main spots that need attention: near the start (MD 144 / Frederick Road): Navigation decision point; at 2.2 miles (MD 166): Lane positioning matters here; at 5.5 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.
These are the spots where you need to pay the most attention. Preview them before you drive.
Turn left onto MD 144 / Frederick Road
Navigation decision point
Turn left onto MD 166 toward I 195 East
Lane positioning matters here
Take the exit toward MD 295 South: Washington
Exit ramp - move to the correct lane early. Lane positioning matters here
Keep slight left at fork toward US 50 East: Richmond, Annapolis
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Take the exit toward Eastern Avenue, Aquatic Gardens
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Catonsville, MD and Suitland, MD, road signs point toward Annapolis and Aquatic Gardens.
Annapolis
Aquatic Gardens
| Road | Distance | Duration |
|---|---|---|
| Baltimore-Washington Parkway | 23.2 mi | 32m |
| MD 166 | 3.3 mi | 3m |
| Addison Road | 2.2 mi | 4m |
| Eastern Avenue Northeast | 1.8 mi | 3m |
| Silver Hill Road | 1.7 mi | 3m |
| South Rolling Road | 1.2 mi | 2m |
| Bloomsbury Avenue | 0.9 mi | 2m |
| Walker Mill Road | 0.6 mi | <1m |
Step-by-step road directions between Catonsville, MD and Suitland, MD.
Start on this road
Turn left onto MD 144
Turn right onto Bloomsbury Avenue
At end of road, turn left onto MD 166
Continue on MD 166
Turn left onto MD 166
Take the exit
Merge onto MD 295
Keep slight left at fork
Continue on MD 201
Take the exit
Continue on Kenilworth Avenue
Turn left onto Eastern Avenue Northeast
Turn sharp left onto MD 704
Turn right onto Addison Road
Continue on Walker Mill Road
Continue on MD 458
Turn left onto Suitland Road
Turn left
Arrive at destination
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 18.5 mi from Catonsville, MD · 27m into the drive
Mid-route town
Meal stop
19 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
A short stop after about 37 miles helps settle the day before fatigue starts building.
The midpoint is around 18.5 miles from Catonsville, MD, which is a good place for a longer meal and fuel stop.
Allow a few extra minutes for the final approach into Suitland, MD if you are unfamiliar with the area.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Regular Gas
$6.13 one way
$12.27 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.61 | $6.72 | $13.44 |
| premium | $4.93 | $7.18 | $14.35 |
| diesel | $5.61 | $8.17 | $16.34 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$6
Estimated CO2 emission: 12.9 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $4 in charging · 0 stops · 69% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 11.1 | 0 | $3.89 | $1.78 |
| Efficient EV | 9.3 | 0 | $3.24 | $1.48 |
| EV Truck/SUV | 14.8 | 0 | $5.18 | $2.37 |
Gas CO2
13 kg
EV CO2
4 kg (69% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Current conditions at both ends of the drive.
Origin
Late night in Catonsville on Friday
Local time
12:01 AM
EDT
Current temp
92°F
Mostly Sunny
Destination
Late night in Suitland on Friday
Local time
12:01 AM
EDT
Current temp
76°F
Unavailable
Time zone
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
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