How far is Derwood, MD from South Bel Air, MD?
The driving distance from Derwood, MD to South Bel Air, MD is about 69.2 miles (111.3 km), with a travel time of about 01h 17m by car.
- The straight-line flight distance is about 52.6 miles (84.6 km).
- For a round trip, plan for roughly 02h 34m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EST.
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 17m.
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.
Census-designated place in Howard County, Maryland, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Derwood and South Bel Air.
Turn-by-Turn Driving Directions
Step-by-step road directions between Derwood and South Bel Air.
-
1
Start on Derwood Road
14 m · 2 sec · Derwood Road
-
2
Continue on Chieftain Avenue
531 ft · 29 sec · Chieftain Avenue
-
3
Turn left onto Yellowstone Way
106 m · 17 sec · Yellowstone Way
-
4
Turn right onto Redland Road
125 m · 12 sec · Redland Road
-
5
Turn left onto Metro Access Road
1 mi · 2 min · Metro Access Road
-
6
Keep slight right to continue on MD 200 Toll East
1552 ft · 38 sec
-
7
Merge slight left onto Intercounty Connector
15.9 mi · 20 min · Intercounty Connector
-
8
Take the exit slight right toward I 95: Laurel, Burtonsville
2257 ft · 51 sec
-
9
Keep slight left to continue on MD 198: Konterra Drive
2986 ft · 39 sec
-
10
Keep slight left to continue on MD 198: Laurel, Burtonsville
1.5 km · 1 min
-
11
Keep slight left to continue on MD 198 West: Burtonsville
2970 ft · 39 sec
-
12
Keep slight left
1.2 km · 50 sec
-
13
Merge slight left
11.7 mi · 14 min
-
14
Take the exit slight right toward I 895 North: Baltimore Harbor Tunnel Thruway
5.7 mi · 7 min · Harbor Tunnel Thruway
-
15
Continue on Harbor Tunnel Throughway
1.6 km · 1 min · Harbor Tunnel Throughway
-
16
Continue on Harbor Tunnel Thruway
2.2 mi · 3 min · Harbor Tunnel Thruway
-
17
Continue on Baltimore Harbor Tunnel
1.4 mi · 2 min · Baltimore Harbor Tunnel
-
18
Continue on Harbor Tunnel Thruway
3.7 mi · 5 min · Harbor Tunnel Thruway
-
19
Keep slight left to continue on Express Toll Lanes
8.5 mi · 10 min · Express Toll Lanes
-
20
Keep slight right
91 m · 4 sec
-
21
Merge slight right onto John F. Kennedy Memorial Highway
7.3 mi · 8 min · John F. Kennedy Memorial Highway
-
22
Take the exit slight right toward MD 24: Bel Air, Edgewood
1781 ft · 38 sec
-
23
Keep slight left to continue on MD 24 North: Bel Air
825 ft · 22 sec
-
24
Turn left onto Vietnam Veterans Memorial Highway
4.3 mi · 6 min · Vietnam Veterans Memorial Highway
-
25
Turn right onto West Ring Factory Road
3105 ft · 2 min · West Ring Factory Road
-
26
Turn left onto Emmorton Road
3158 ft · 1 min · Emmorton Road
-
27
Continue on South Main Street
151 m · 18 sec · South Main Street
-
28
Turn right onto East MacPhail Road
1341 ft · 44 sec · East MacPhail Road
-
29
Turn left onto South Shamrock Road
1811 ft · 1 min · South Shamrock Road
-
30
Arrive at your destination
0 m · 1 sec · South Shamrock Road
Car Route Details
A richer read on the saved driving route between Derwood 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
Merge slight left onto Intercounty Connector
15.9 mi · 00h 20m
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 Derwood and Mostly 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 Derwood to South Bel Air?
The road trip is about 69.2 miles (111.3 km) and usually takes 01h 17m 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?
Elkridge is a useful midpoint, sitting about 34.5 miles from Derwood and 34.7 miles from South Bel Air.
How much longer is the road route than the straight-line distance?
The direct path is about 52.6 miles (84.6 km), while the road route adds roughly 16.6 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 EST. If you want a more comfortable same-day return, try to leave by 3:56 PM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.65 one way or $19.30 round trip. Estimated CO2 is about 21.7 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Derwood and Mostly Sunny near South Bel Air.
Stop Ideas Near Elkridge
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 Elkridge.
BWI Rail Station
Pennsylvania Station
New Carrollton station
Rockville station
Flight Path Map
This map shows the direct air route between Derwood and South Bel Air. Straight-line distance: 52.57 mi (84.6 km).
#1 Derwood
Derwood is a place in Maryland, United States.
| Population | 0 |
| Coordinates | 39.1173300, -77.1610900 |
| Altitude | 143 |
| 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: 111 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 18m |
| 40 mph (64.37 km/h) | 01h 43m |
| 50 mph (80.47 km/h) | 01h 23m |
| 60 mph (96.56 km/h) | 01h 09m |
| 70 mph (112.65 km/h) | 00h 59m |
| 80 mph (129 km/h) | 00h 51m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $9.65 | $19.30 |
| Mid-grade | $4.57 | $11.16 | $22.31 |
| Premium | $4.89 | $11.94 | $23.88 |
| Diesel | $6.30 | $15.38 | $30.75 |
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 · Nov 06, 2026