How far is Darnestown, MD from South Bel Air, MD?
The driving distance from Darnestown, MD to South Bel Air, MD is about 76.6 miles (123.3 km), with a travel time of about 01h 26m by car.
- The straight-line flight distance is about 59 miles (94.9 km).
- For a round trip, plan for roughly 02h 53m 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 01h 26m.
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 Howard County, Maryland, United States of America
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 Darnestown and South Bel Air.
Turn-by-Turn Driving Directions
Step-by-step road directions between Darnestown and South Bel Air.
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1
Start on the route
46 m · 17 sec
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2
Turn left
35 m · 16 sec
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3
Turn left onto Darnestown Road
2.5 mi · 5 min · Darnestown Road
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4
Turn left onto Quince Orchard Road
1.1 mi · 2 min · Quince Orchard Road
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5
Turn right onto Great Seneca Highway
2.1 mi · 3 min · Great Seneca Highway
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6
Turn left onto Sam Eig Highway
1.5 km · 2 min · Sam Eig Highway
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7
Continue straight
2.2 mi · 3 min
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8
Continue on Intercounty Connector
16.3 mi · 21 min · Intercounty Connector
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9
Take the exit slight right toward I 95: Laurel, Burtonsville
2257 ft · 51 sec
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10
Keep slight left to continue on MD 198: Konterra Drive
2986 ft · 39 sec
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11
Keep slight left to continue on MD 198: Laurel, Burtonsville
1.5 km · 1 min
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12
Keep slight left to continue on MD 198 West: Burtonsville
2970 ft · 39 sec
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13
Keep slight left
1.2 km · 50 sec
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14
Merge slight left
11.7 mi · 14 min
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15
Take the exit slight right toward I 895 North: Baltimore Harbor Tunnel Thruway
5.7 mi · 7 min · Harbor Tunnel Thruway
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16
Continue on Harbor Tunnel Throughway
1.6 km · 1 min · Harbor Tunnel Throughway
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17
Continue on Harbor Tunnel Thruway
2.2 mi · 3 min · Harbor Tunnel Thruway
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18
Continue on Baltimore Harbor Tunnel
1.4 mi · 2 min · Baltimore Harbor Tunnel
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19
Continue on Harbor Tunnel Thruway
3.7 mi · 5 min · Harbor Tunnel Thruway
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20
Keep slight left to continue on Express Toll Lanes
8.5 mi · 10 min · Express Toll Lanes
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21
Keep slight right
91 m · 4 sec
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22
Merge slight right onto John F. Kennedy Memorial Highway
7.3 mi · 8 min · John F. Kennedy Memorial Highway
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23
Take the exit slight right toward MD 24: Bel Air, Edgewood
1781 ft · 38 sec
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24
Keep slight left to continue on MD 24 North: Bel Air
825 ft · 22 sec
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25
Turn left onto Vietnam Veterans Memorial Highway
4.3 mi · 6 min · Vietnam Veterans Memorial Highway
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26
Turn right onto West Ring Factory Road
3105 ft · 2 min · West Ring Factory Road
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27
Turn left onto Emmorton Road
3158 ft · 1 min · Emmorton Road
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28
Continue on South Main Street
151 m · 18 sec · South Main Street
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29
Turn right onto East MacPhail Road
1341 ft · 44 sec · East MacPhail Road
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30
Turn left onto South Shamrock Road
1811 ft · 1 min · South Shamrock Road
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31
Arrive at your destination
0 m · 1 sec · South Shamrock Road
Car Route Details
A richer read on the saved driving route between Darnestown and South Bel Air.
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.
Intercounty Connector
Continue on Intercounty Connector
16.3 mi · 00h 21m
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 Darnestown and Sunny near South Bel Air.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Darnestown to South Bel Air?
The road trip is about 76.6 miles (123.3 km) and usually takes 01h 26m 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?
West Elkridge is a useful midpoint, sitting about 38.3 miles from Darnestown and 38.3 miles from South Bel Air.
How much longer is the road route than the straight-line distance?
The direct path is about 59 miles (94.9 km), while the road route adds roughly 17.6 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 3:36 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $11.04 one way or $22.08 round trip. Estimated CO2 is about 24 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Darnestown and Sunny near South Bel Air.
Stop Ideas Near West Elkridge
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City of Bowie
Baltimore City Hall
Relay Town Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to West Elkridge.
BWI Rail Station
Pennsylvania Station
New Carrollton station
Rockville station
Flight Path Map
This map shows the direct air route between Darnestown and South Bel Air. Straight-line distance: 58.98 mi (94.92 km).
#1 Darnestown
Census-designated place in Montgomery County, Maryland, United States
| Population | 6,802 |
| Coordinates | 39.1034400, -77.2908200 |
| Altitude | 133 |
| Country | United States |
#2 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 |
End: South Shamrock Road (-76.337354, 39.533192)
Estimated Travel Time
Distance: 123 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 33m |
| 40 mph (64.37 km/h) | 01h 54m |
| 50 mph (80.47 km/h) | 01h 31m |
| 60 mph (96.56 km/h) | 01h 16m |
| 70 mph (112.65 km/h) | 01h 05m |
| 80 mph (129 km/h) | 00h 57m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $11.04 | $22.08 |
| Mid-grade | $4.70 | $12.68 | $25.36 |
| Premium | $5.01 | $13.53 | $27.06 |
| Diesel | $6.37 | $17.19 | $34.38 |
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 · Oct 21, 2026