How far is College Park, MD from Adelphi, MD?
The driving distance from College Park, MD to Adelphi, MD is about 3 miles (4.9 km), with a travel time of about 00h 07m by car.
- The straight-line flight distance is about 2.4 miles (3.9 km).
- For a round trip, plan for roughly 00h 15m 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 07m.
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 Maryland, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between College Park and Adelphi.
Turn-by-Turn Driving Directions
Step-by-step road directions between College Park and Adelphi.
-
1
Start on Knox Road
2096 ft · 1 min · Knox Road
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2
Turn right onto Mowatt Lane
2151 ft · 1 min · Mowatt Lane
-
3
Enter the roundabout and take exit 3 toward Campus Drive
52 m · 5 sec · Campus Drive
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4
Exit the roundabout onto Campus Drive
1915 ft · 1 min · Campus Drive
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5
Turn right onto Adelphi Road
1.6 mi · 3 min · Adelphi Road
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6
Turn left onto Riggs Road
1237 ft · 29 sec · Riggs Road
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7
Arrive at your destination
0 m · 1 sec · Riggs Road
Car Route Details
A richer read on the saved driving route between College Park and Adelphi.
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.
Adelphi Road
Turn right onto Adelphi Road
1.59 mi · 00h 03m
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.
Mostly Sunny leaving College Park and Sunny near Adelphi.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from College Park to Adelphi?
The road trip is about 3 miles (4.9 km) and usually takes 00h 07m 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?
Langley Park is a useful midpoint, sitting about 1.5 miles from College Park and 1.5 miles from Adelphi.
How much longer is the road route than the straight-line distance?
The direct path is about 2.4 miles (3.9 km), while the road route adds roughly 0.6 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 8:14 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $0.45 one way or $0.90 round trip. Estimated CO2 is about 1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around College Park and Sunny near Adelphi.
Stop Ideas Near Langley Park
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
United States Capitol
D C Government
THEARC: Town Hall Education Arts Recreation Campus
Town Hall Liquor And Bar
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Langley Park.
Washington Union Station
New Carrollton station
Rockville station
Union Station
Flight Path Map
This map shows the direct air route between College Park and Adelphi. Straight-line distance: 2.44 mi (3.93 km).
#1 College Park
Public research university in the city of College Park in Prince George's County, Maryland
| Population | 32,173 |
| Coordinates | 38.9806700, -76.9369200 |
| Altitude | 21 |
| Country | United States |
#2 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 |
End: Adelphi (-76.97192, 39.00317)
Estimated Travel Time
Distance: 5 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 06m |
| 40 mph (64.37 km/h) | 00h 04m |
| 50 mph (80.47 km/h) | 00h 03m |
| 60 mph (96.56 km/h) | 00h 03m |
| 70 mph (112.65 km/h) | 00h 02m |
| 80 mph (129 km/h) | 00h 02m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $0.45 | $0.90 |
| Mid-grade | $4.60 | $0.51 | $1.01 |
| Premium | $4.95 | $0.54 | $1.09 |
| Diesel | $5.98 | $0.66 | $1.32 |
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 15, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.