How far is Rockville, MD from Boonsboro, MD?
The driving distance from Rockville, MD to Boonsboro, MD is about 42.4 miles (68.2 km), with a travel time of about 00h 58m by car.
- The straight-line flight distance is about 39.6 miles (63.7 km).
- For a round trip, plan for roughly 01h 57m 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 58m.
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.
Town in Frederick County, Maryland, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Rockville and Boonsboro.
Turn-by-Turn Driving Directions
Step-by-step road directions between Rockville and Boonsboro.
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1
Start on South Washington Street
19 m · 9 sec · South Washington Street
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2
Turn left onto West Montgomery Avenue
1021 ft · 28 sec · West Montgomery Avenue
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3
Turn straight onto West Jefferson Street
89 m · 11 sec · West Jefferson Street
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4
Continue on West Montgomery Avenue
1.2 km · 2 min · West Montgomery Avenue
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5
Take the ramp slight right toward I 270 North: Frederick
1343 ft · 33 sec
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6
Merge slight left onto I 270 North
25.1 mi · 32 min
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7
Take the exit slight right toward I 70: Hagerstown, Baltimore
1986 ft · 31 sec
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8
Keep slight left to continue on I 70 West: Hagerstown
1899 ft · 29 sec
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9
Merge slight right
3.5 mi · 4 min
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10
Take the exit slight right toward US 40 Alternate: Braddock Heights, Middletown
1501 ft · 41 sec
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11
Turn straight onto Old National Pike
2.7 mi · 5 min · Old National Pike
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12
Continue on East Main Street
1.8 mi · 3 min · East Main Street
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13
Continue on Old National Pike
6.1 mi · 9 min · Old National Pike
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14
Enter the roundabout and take exit 2 toward South Main Street
35 m · 2 sec · South Main Street
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15
Exit the roundabout onto South Main Street
1.2 km · 1 min · South Main Street
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16
Turn left onto Potomac Street
37 m · 2 sec · Potomac Street
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17
Arrive at your destination
0 m · 1 sec · Potomac Street
Car Route Details
A richer read on the saved driving route between Rockville and Boonsboro.
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
Merge slight left onto I 270 North
25.1 mi · 00h 32m
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.
Sunny leaving Rockville and Sunny near Boonsboro.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Rockville to Boonsboro?
The road trip is about 42.4 miles (68.2 km) and usually takes 00h 58m 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?
Buckeystown is a useful midpoint, sitting about 21.2 miles from Rockville and 21.2 miles from Boonsboro.
How much longer is the road route than the straight-line distance?
The direct path is about 39.6 miles (63.7 km), while the road route adds roughly 2.8 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 4:32 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.13 one way or $12.26 round trip. Estimated CO2 is about 13.3 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Rockville and Sunny near Boonsboro.
Stop Ideas Near Buckeystown
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Buckeystown.
Frederick, MD
Frederick Airport, MD
Harpers Ferry
Rockville station
Flight Path Map
This map shows the direct air route between Rockville and Boonsboro. Straight-line distance: 39.56 mi (63.67 km).
#1 Rockville
The most populous city in Montgomery County, Maryland.
| Population | 69,512 |
| Coordinates | 39.0840000, -77.1527600 |
| Altitude | 137 |
| Country | United States |
#2 Boonsboro
Town in Washington County, Maryland, United States
| Population | 3,455 |
| Coordinates | 39.5062100, -77.6524900 |
| Altitude | 165 |
| Country | United States |
End: Boonsboro (-77.65249, 39.50621)
Estimated Travel Time
Distance: 68 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 24m |
| 40 mph (64.37 km/h) | 01h 03m |
| 50 mph (80.47 km/h) | 00h 50m |
| 60 mph (96.56 km/h) | 00h 42m |
| 70 mph (112.65 km/h) | 00h 36m |
| 80 mph (129 km/h) | 00h 31m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $6.13 | $12.26 |
| Mid-grade | $4.60 | $6.90 | $13.80 |
| Premium | $4.95 | $7.43 | $14.86 |
| Diesel | $5.98 | $8.97 | $17.94 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.