Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards
Drive Time
35m
Distance
25.5 mi
41 km
Drive Score
7/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$4
one way
EV Charging
Good
8 stations
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Catonsville, MD
Wikimedia Commons
Adelphi, MD
Wikimedia Commons
If you are planning a trip from Catonsville to Adelphi, you are looking at a straightforward 25.5-mile journey that typically takes about 35 minutes. This trek is perfectly suited for a single-day outing, meaning there is no need to worry about overnight accommodations. You can expect to spend roughly $4 on fuel for the entire trip, making it a budget-friendly option for your schedule. Because both locations are situated within the Northeast region of Maryland, the transition between them is seamless and familiar. It is a practical, no-fuss drive that gets you from point A to point B without any unnecessary complexity.
| Road | Distance | Duration |
|---|---|---|
| I 95 | 17.2 mi | 19m |
| Powder Mill Road | 2.4 mi | 4m |
| Riggs Road | 1.8 mi | 3m |
| South Rolling Road | 1.2 mi | 2m |
| Bloomsbury Avenue | 0.9 mi | 2m |
| MD 166 | 0.7 mi | <1m |
| Frederick Road | <0.1 mi | <1m |
Step-by-step road directions between Catonsville, MD and Adelphi, 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 I 95
Take the exit
Turn straight onto MD 212
Turn straight onto MD 212
Arrive at destination
5 decision points cluster between mile 0 and 20.7 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
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 I 95 South: Washington
Exit ramp - move to the correct lane early. Lane positioning matters here
Merge onto I 95
Merge point - match speed before joining. Lane positioning matters here
Take the exit toward MD 212 West: Calverton
Exit ramp - move to the correct lane early. Lane positioning matters here
Regular Gas
$4.23 one way
$8.46 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.61 | $4.63 | $9.26 |
| premium | $4.93 | $4.95 | $9.89 |
| diesel | $5.61 | $5.63 | $11.26 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$4
Estimated CO2 emission: 8.9 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $3 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 7.6 | 0 | $2.68 | $1.22 |
| Efficient EV | 6.4 | 0 | $2.23 | $1.02 |
| EV Truck/SUV | 10.2 | 0 | $3.57 | $1.63 |
Gas CO2
9 kg
EV CO2
3 kg (67% 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 Sunday
Local time
12:34 AM
EDT
Current temp
92°F
Mostly Sunny
Destination
Late night in Adelphi on Sunday
Local time
12:34 AM
EDT
Current temp
74°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.
Expect a turn-heavy local drive rather than a monotonous interstate cruise, as this route features zero highway miles. You will navigate via Frederick Road, Bloomsbury Avenue, and South Rolling Road, requiring your full attention behind the wheel. Since there is no single longest stretch of road, the experience remains engaging and dynamic throughout the short 35-minute duration. The character of this trip is defined by its reliance on smaller, local thoroughfares, offering a stark contrast to the high-speed transit found on major state corridors. Prepare for a more hands-on driving experience that keeps you active as you transition through these Maryland communities.
This is a straightforward highway drive that stays mostly on I 95 and Powder Mill Road. There are only a few real navigation decisions along the way. The trickiest moment comes early in the drive near MD 144 / Frederick Road.
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
This is a straightforward 35m drive. You will face about 7 decision points, but nothing that requires special attention if you follow navigation.
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 2.9 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.
Weekend Trip
Doable as a same-day drive at 35m. Total distance: 25.5 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
35m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (71%). Straightforward navigation.
Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, and NPS for national parks. See our methodology for refresh cadence and limitations.
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