How far is College Park, MD from Green Valley, MD?
The driving distance from College Park, MD to Green Valley, MD is about 37.2 miles (59.8 km), with a travel time of about 00h 55m by car.
- The straight-line flight distance is about 29.8 miles (48 km).
- For a round trip, plan for roughly 01h 51m 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 55m.
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.
The most populous city in Montgomery County, Maryland.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Rain Showers
Driving Route Map
The map below follows the saved road route between College Park and Green Valley.
Turn-by-Turn Driving Directions
Step-by-step road directions between College Park and Green Valley.
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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
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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
2.3 mi · 5 min · Adelphi Road
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6
Turn right onto New Hampshire Avenue
1615 ft · 37 sec · New Hampshire Avenue
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7
Take the ramp slight right toward I 495: Northern Virginia, Silver Spring, Baltimore, College Park
798 ft · 20 sec
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8
Keep slight left to continue on I 495 West: Northern Virginia, Silver Spring
1794 ft · 44 sec
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9
Merge slight left onto Capital Beltway
7.6 mi · 10 min · Capital Beltway
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10
Keep slight right to continue on I 270 North: Frederick
3.6 mi · 5 min
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11
Keep slight right to continue on I 270 North
18.7 mi · 25 min
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12
Take the exit slight right toward MD 109: Hyattstown, Barnesville
1005 ft · 30 sec
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13
At the end of the road, turn left onto Old Hundred Road
2325 ft · 1 min · Old Hundred Road
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14
Turn left onto Frederick Road
2074 ft · 35 sec · Frederick Road
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15
Continue on Urbana Pike
1181 ft · 24 sec · Urbana Pike
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16
Turn right onto Green Valley Road
1.7 mi · 3 min · Green Valley Road
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17
Turn right onto Prices Distillery Road
37 m · 8 sec · Prices Distillery Road
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18
Turn right
15 m · 8 sec
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19
Turn left
60 m · 15 sec
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20
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between College Park and Green Valley.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 270 North
Keep slight right to continue on I 270 North
18.7 mi · 00h 25m
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.
Showers And Thunderstorms leaving College Park and Rain Showers near Green Valley.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from College Park to Green Valley?
The road trip is about 37.2 miles (59.8 km) and usually takes 00h 55m 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?
Rockville is a useful midpoint, sitting about 18.6 miles from College Park and 18.6 miles from Green Valley.
How much longer is the road route than the straight-line distance?
The direct path is about 29.8 miles (48 km), while the road route adds roughly 7.4 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 4:38 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.35 one way or $10.71 round trip. Estimated CO2 is about 11.6 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around College Park and Rain Showers near Green Valley.
Stop Ideas Near Rockville
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Griffith Park at City Hall
Tele-Town Hall
Gaithersburg City Hall
Town Hall Liquor And Bar
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Rockville.
Rockville station
Washington Union Station
New Carrollton station
Union Station
Flight Path Map
This map shows the direct air route between College Park and Green Valley. Straight-line distance: 29.8 mi (47.96 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 Green Valley
Town in Frederick County, Maryland, United States
| Population | 12,262 |
| Coordinates | 39.3092700, -77.2972100 |
| Altitude | 121 |
| Country | United States |
End: Green Valley (-77.29721, 39.30927)
Estimated Travel Time
Distance: 60 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 14m |
| 40 mph (64.37 km/h) | 00h 55m |
| 50 mph (80.47 km/h) | 00h 44m |
| 60 mph (96.56 km/h) | 00h 37m |
| 70 mph (112.65 km/h) | 00h 31m |
| 80 mph (129 km/h) | 00h 27m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $5.35 | $10.71 |
| Mid-grade | $4.60 | $6.02 | $12.05 |
| Premium | $4.95 | $6.49 | $12.98 |
| Diesel | $5.98 | $7.83 | $15.67 |
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.