How far is Olney, MD from Rosaryville, MD?
The driving distance from Olney, MD to Rosaryville, MD is about 38.8 miles (62.5 km), with a travel time of about 00h 59m by car.
- The straight-line flight distance is about 30.7 miles (49.4 km).
- For a round trip, plan for roughly 01h 59m 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 59m.
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.
City in Prince George’s County, Maryland, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Olney and Rosaryville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Olney and Rosaryville.
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1
Start on Georgia Avenue
2.6 mi · 5 min · Georgia Avenue
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2
Turn slight left onto MD 200 Toll East
152 m · 21 sec
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3
Take the ramp slight left toward MD 200 Toll East
2116 ft · 52 sec
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4
Merge slight left onto Intercounty Connector
4.4 mi · 5 min · Intercounty Connector
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5
Take the exit slight right toward MD 650: Ashton, White Oak
1269 ft · 31 sec
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6
Keep slight right to continue on MD 650 South: White Oak
110 m · 9 sec
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7
Turn straight onto New Hampshire Avenue
5.1 mi · 9 min · New Hampshire Avenue
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8
Take the ramp slight right toward I 495 East: Baltimore, College Park
1019 ft · 25 sec
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9
Merge slight left onto Capital Beltway
17.2 mi · 23 min · Capital Beltway
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10
Take the exit slight right toward MD 4 South/East: Pennsylvania Avenue, Upper Marlboro
1806 ft · 44 sec
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11
Merge slight left onto Pennsylvania Avenue
2.9 mi · 4 min · Pennsylvania Avenue
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12
Take the exit slight right toward MD 223: Woodyard Road, Westphalia, Clinton
889 ft · 29 sec
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13
Turn right onto Woodyard Road
2.3 mi · 4 min · Woodyard Road
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14
Continue on Rosaryville Road
2.7 mi · 5 min · Rosaryville Road
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15
Turn left onto Crain Highway
63 m · 11 sec · Crain Highway
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16
Arrive at your destination
0 m · 1 sec · Crain Highway
Car Route Details
A richer read on the saved driving route between Olney and Rosaryville.
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.
Capital Beltway
Merge slight left onto Capital Beltway
17.2 mi · 00h 23m
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 Olney and Showers And Thunderstorms near Rosaryville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Olney to Rosaryville?
The road trip is about 38.8 miles (62.5 km) and usually takes 00h 59m 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?
New Carrollton is a useful midpoint, sitting about 19.4 miles from Olney and 19.4 miles from Rosaryville.
How much longer is the road route than the straight-line distance?
The direct path is about 30.7 miles (49.4 km), while the road route adds roughly 8.1 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 4:30 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.60 one way or $11.20 round trip. Estimated CO2 is about 12.2 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers around Olney and Showers And Thunderstorms near Rosaryville.
Stop Ideas Near New Carrollton
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 New Carrollton.
New Carrollton station
Washington Union Station
Union Station
Rockville station
Flight Path Map
This map shows the direct air route between Olney and Rosaryville. Straight-line distance: 30.68 mi (49.37 km).
#1 Olney
Unincorporated area of Montgomery County, Maryland, United States of America
| Population | 33,844 |
| Coordinates | 39.1531600, -77.0669200 |
| Altitude | 165 |
| Country | United States |
#2 Rosaryville
Census designated place in Maryland, United States
| Population | 10,697 |
| Coordinates | 38.7567800, -76.8096900 |
| Altitude | 68 |
| Country | United States |
End: Rosaryville (-76.80969, 38.75678)
Estimated Travel Time
Distance: 62 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 17m |
| 40 mph (64.37 km/h) | 00h 58m |
| 50 mph (80.47 km/h) | 00h 46m |
| 60 mph (96.56 km/h) | 00h 38m |
| 70 mph (112.65 km/h) | 00h 33m |
| 80 mph (129 km/h) | 00h 29m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $5.60 | $11.20 |
| Mid-grade | $4.60 | $6.30 | $12.60 |
| Premium | $4.95 | $6.79 | $13.57 |
| Diesel | $5.98 | $8.19 | $16.39 |
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.