How far is South Bel Air, MD from Boonsboro, MD?
The driving distance from South Bel Air, MD to Boonsboro, MD is about 85.9 miles (138.3 km), with a travel time of about 02h 03m by car.
- The straight-line flight distance is about 47.7 miles (76.8 km).
- For a round trip, plan for roughly 04h 06m 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 02h 03m.
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.
Locale in Anne Arundel County, Maryland
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Light Rain then Cloudy
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between South Bel Air and Boonsboro.
Turn-by-Turn Driving Directions
Step-by-step road directions between South Bel Air and Boonsboro.
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1
Start on South Shamrock Road
1811 ft · 1 min · South Shamrock Road
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2
At the end of the road, turn right onto East MacPhail Road
1341 ft · 45 sec · East MacPhail Road
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3
Turn left onto South Main Street
151 m · 14 sec · South Main Street
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4
Continue on Emmorton Road
3158 ft · 1 min · Emmorton Road
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5
Turn right onto West Ring Factory Road
3105 ft · 2 min · West Ring Factory Road
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6
Turn left onto Vietnam Veterans Memorial Highway
3.9 mi · 6 min · Vietnam Veterans Memorial Highway
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7
Take the exit slight right toward I 95 South: Baltimore
1 km · 1 min
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8
Merge slight left onto John F. Kennedy Memorial Highway
8.1 mi · 9 min · John F. Kennedy Memorial Highway
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9
Keep slight left to continue on Express Toll Lanes
6.5 mi · 8 min · Express Toll Lanes
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10
Keep slight left to continue on Express Toll Lanes
1.2 mi · 2 min · Express Toll Lanes
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11
Merge slight right onto Harbor Tunnel Thruway
3.8 mi · 5 min · Harbor Tunnel Thruway
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12
Continue on Baltimore Harbor Tunnel
1.4 mi · 2 min · Baltimore Harbor Tunnel
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13
Continue on Harbor Tunnel Thruway
2.2 mi · 3 min · Harbor Tunnel Thruway
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14
Continue on Harbor Tunnel Throughway
2567 ft · 40 sec · Harbor Tunnel Throughway
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15
Keep slight right to continue on Harbor Tunnel Throughway
1.7 mi · 2 min · Harbor Tunnel Throughway
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16
Keep slight left to continue on Harbor Tunnel Throughway
1.2 mi · 2 min · Harbor Tunnel Throughway
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17
Turn straight onto Ritchie Highway
1.2 mi · 2 min · Ritchie Highway
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18
Turn left onto East Furnace Branch Road
2031 ft · 36 sec · East Furnace Branch Road
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19
Take the ramp slight right toward MD 10 South
1836 ft · 45 sec
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20
Merge slight left onto Arundel Expressway
4 mi · 5 min · Arundel Expressway
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21
Keep slight right to continue on Arundel Expressway
1.2 km · 1 min · Arundel Expressway
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22
Turn left onto Ritchie Highway
2.4 mi · 3 min · Ritchie Highway
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23
Continue on Governor Ritchie Highway
6.1 mi · 9 min · Governor Ritchie Highway
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24
Take the exit slight left toward US 50 East, US 301 North: Bay Bridge
919 ft · 23 sec
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25
Merge slight left onto Blue Star Memorial Highway
19.1 mi · 27 min · Blue Star Memorial Highway
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26
Keep slight right to continue on US 50 East: Ocean City, Rehoboth
6.9 mi · 10 min
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27
Turn left onto Queen Anne Highway
6.2 mi · 9 min · Queen Anne Highway
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28
Continue on Shore Highway
1.2 km · 1 min · Shore Highway
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29
Turn left onto Ridgely Road
2.9 mi · 5 min · Ridgely Road
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30
Continue on 6th Street
1.5 km · 2 min · 6th Street
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31
Continue on Ridgely Road
1.4 km · 2 min · Ridgely Road
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32
Arrive at your destination
0 m · 1 sec · Ridgely Road
Car Route Details
A richer read on the saved driving route between South Bel Air 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.
Blue Star Memorial Highway
Merge slight left onto Blue Star Memorial Highway
19.1 mi · 00h 27m
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.
Chance Light Rain then Cloudy leaving South Bel Air and Chance Rain Showers near Boonsboro.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from South Bel Air to Boonsboro?
The road trip is about 85.9 miles (138.3 km) and usually takes 02h 03m 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?
Severna Park is a useful midpoint, sitting about 42.9 miles from South Bel Air and 43.1 miles from Boonsboro.
How much longer is the road route than the straight-line distance?
The direct path is about 47.7 miles (76.8 km), while the road route adds roughly 38.2 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 2:24 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $12.79 one way or $25.59 round trip. Estimated CO2 is about 26.9 kg one way.
What should you check before leaving?
Before you leave, expect Chance Light Rain then Cloudy around South Bel Air and Chance Rain Showers near Boonsboro.
Stop Ideas Near Severna Park
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City of Bowie
Annapolis City Hall
Kenhill Center
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Severna Park.
BWI Rail Station
Pennsylvania Station
Kent Island, MD
New Carrollton station
Flight Path Map
This map shows the direct air route between South Bel Air and Boonsboro. Straight-line distance: 47.7 mi (76.77 km).
#1 South Bel Air
A census-designated place in Anne Arundel County, Maryland.
| Population | 48,828 |
| Coordinates | 39.5331600, -76.3374600 |
| Altitude | 109 |
| Country | United States |
#2 Boonsboro
Town in Washington County, Maryland, United States
| Population | 3,655 |
| Coordinates | 38.9501100, -75.8599400 |
| Altitude | 18 |
| Country | United States |
End: Boonsboro (-75.85994, 38.95011)
Estimated Travel Time
Distance: 138 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 51m |
| 40 mph (64.37 km/h) | 02h 08m |
| 50 mph (80.47 km/h) | 01h 43m |
| 60 mph (96.56 km/h) | 01h 25m |
| 70 mph (112.65 km/h) | 01h 13m |
| 80 mph (129 km/h) | 01h 04m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.22 | $12.79 | $25.59 |
| Mid-grade | $4.84 | $14.65 | $29.31 |
| Premium | $5.18 | $15.69 | $31.37 |
| Diesel | $6.49 | $19.68 | $39.35 |
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 · Sep 23, 2026