How far is South Bel Air, MD from Forest Glen, MD?

The driving distance from South Bel Air, MD to Forest Glen, MD is about 61.2 miles (98.5 km), with a travel time of about 01h 21m by car.

  • The straight-line flight distance is about 52.5 miles (84.5 km).
  • For a round trip, plan for roughly 02h 43m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EST.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
61.21 mi
01h 21m
Flight
52.49 mi
84.48 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from South Bel Air.

Flight Distance

Direct air line
52.49 mi
Kilometers
84.48 km
Flight Time
00h 06m

Driving Distance

Road route
61.21 mi
Kilometers
98.51 km
Drive Time
01h 21m

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 21m.

Arrival Snapshot
Arrive in Forest Glen
Thu, Nov 12, 8:06 AM EST
Return by in South Bel Air
Thu, Nov 12, 9:27 AM EST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave South Bel Air
2026-11-12T06:44
Arrive Forest Glen
Thu, Nov 12, 8:06 AM EST
Route Timing
01h 21m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EST
Aim for a morning departure
Arrive between
9:22 AM to 11:22 AM EST

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
3:46 PM EST
Keeps a same-day return open with about 03h 00m at the destination.
Back in South Bel Air
9:30 PM EST
Morning start is best

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.

Mid-route stop
Rosemont
MD

Village in Frederick County, Maryland, United States

From South Bel Air
30.6 mi
00h 40m
To Forest Glen
30.6 mi
00h 40m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
48°F
Overnight

Mostly Cloudy

Starts
Thu, Nov 12 12:00 AM EST
Wind
5 mph SE
Destination
49°F
Overnight

Partly Cloudy

Starts
Thu, Nov 12 12:00 AM EST
Wind
3 mph SE

Driving Route Map

The map below follows the saved road route between South Bel Air and Forest Glen.

Turn-by-Turn Driving Directions

Step-by-step road directions between South Bel Air and Forest Glen.

  1. 1

    Start on South Shamrock Road

    1811 ft · 1 min · South Shamrock Road

  2. 2

    At the end of the road, turn right onto East MacPhail Road

    1341 ft · 45 sec · East MacPhail Road

  3. 3

    Turn left onto South Main Street

    151 m · 14 sec · South Main Street

  4. 4

    Continue on Emmorton Road

    3158 ft · 1 min · Emmorton Road

  5. 5

    Turn right onto West Ring Factory Road

    3105 ft · 2 min · West Ring Factory Road

  6. 6

    Turn left onto Vietnam Veterans Memorial Highway

    3.9 mi · 6 min · Vietnam Veterans Memorial Highway

  7. 7

    Take the exit slight right toward I 95 South: Baltimore

    1 km · 1 min

  8. 8

    Merge slight left onto John F. Kennedy Memorial Highway

    8.1 mi · 9 min · John F. Kennedy Memorial Highway

  9. 9

    Keep slight left to continue on Express Toll Lanes

    6.5 mi · 8 min · Express Toll Lanes

  10. 10

    Keep slight left to continue on Express Toll Lanes

    1.2 mi · 2 min · Express Toll Lanes

  11. 11

    Merge slight right onto Harbor Tunnel Thruway

    3.8 mi · 5 min · Harbor Tunnel Thruway

  12. 12

    Continue on Baltimore Harbor Tunnel

    1.4 mi · 2 min · Baltimore Harbor Tunnel

  13. 13

    Continue on Harbor Tunnel Thruway

    2.2 mi · 3 min · Harbor Tunnel Thruway

  14. 14

    Continue on Harbor Tunnel Throughway

    2567 ft · 40 sec · Harbor Tunnel Throughway

  15. 15

    Keep slight left to continue on Harbor Tunnel Throughway

    2671 ft · 42 sec · Harbor Tunnel Throughway

  16. 16

    Continue on Harbor Tunnel Thruway

    6 mi · 7 min · Harbor Tunnel Thruway

  17. 17

    Merge slight left

    17.7 mi · 20 min

  18. 18

    Take the exit slight right toward I 495 West: Silver Spring, Bethesda, College Park

    1 km · 1 min

  19. 19

    Keep slight right to continue on I 495 West: Silver Spring, Bethesda

    1.3 km · 2 min

  20. 20

    Merge slight left onto Capital Beltway

    4.4 mi · 5 min · Capital Beltway

  21. 21

    Take the exit slight right toward MD 97: Silver Spring, Wheaton

    987 ft · 24 sec

  22. 22

    Keep slight right to continue on MD 97 North

    106 m · 8 sec

  23. 23

    Turn slight right onto Georgia Avenue

    130 m · 14 sec · Georgia Avenue

  24. 24

    Turn left onto Forest Glen Road

    1.1 km · 2 min · Forest Glen Road

  25. 25

    Turn sharp left onto Seminary Road

    27 m · 2 sec · Seminary Road

  26. 26

    Arrive at your destination

    0 m · 1 sec · Seminary Road

Car Route Details

A richer read on the saved driving route between South Bel Air and Forest Glen.

OSRM road route
Drive Character

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.

Directions
26 steps
7 turns on the saved route
Ramps & Exits
7
4 merges, 3 ramps or exits
Navigation Density
42.5 / 100 mi
Decision points by distance
Main Roads
Harbor Tunnel Thruway
29.7 mi · 49%
John F. Kennedy Memorial Highway
8.15 mi · 13%
Express Toll Lanes
7.68 mi · 13%
Capital Beltway
4.39 mi · 7%
Vietnam Veterans Memorial Highway
3.91 mi · 6%
I 495 West
1.44 mi · 2%
Longest Stretch

Harbor Tunnel Thruway

Merge slight left

17.7 mi · 00h 20m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
01h 21m
Day trip friendly
Same-Day Return
02h 44m
Round-trip wheel time
Road vs Air
+8.7 mi
52.5 mi direct line
Halfway Stop
Rosemont
00h 40m from South Bel Air
Leave By
3:46 PM EST
Morning start is best
Weather Watch

Mostly Cloudy leaving South Bel Air and Partly Cloudy near Forest Glen.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from South Bel Air to Forest Glen?

The road trip is about 61.2 miles (98.5 km) and usually takes 01h 21m 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?

Rosemont is a useful midpoint, sitting about 30.6 miles from South Bel Air and 30.6 miles from Forest Glen.

How much longer is the road route than the straight-line distance?

The direct path is about 52.5 miles (84.5 km), while the road route adds roughly 8.7 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 3:46 PM EST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $8.44 one way or $16.88 round trip. Estimated CO2 is about 19.2 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Cloudy around South Bel Air and Partly Cloudy near Forest Glen.

Stop Ideas Near Rosemont

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Rosemont, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Rosemont.

RAIL

BWI Rail Station

7 mi away
7 Amtrak Way
RAIL

Pennsylvania Station

8 mi away
1515 North Charles Street
RAIL

New Carrollton station

37 mi away
4300 Garden City Drive
BUS

Kent Island, MD

45 mi away
3206 Main Street

Flight Path Map

This map shows the direct air route between South Bel Air and Forest Glen. Straight-line distance: 52.49 mi (84.48 km).

Photo coming soon

#1 South Bel Air

A census-designated place in Anne Arundel County, Maryland.

Population48,828
Coordinates39.5331600, -76.3374600
Altitude109
CountryUnited States
Forest Glen

#2 Forest Glen

Unincorporated area in Montgomery County, Maryland, United States

Population6,582
Coordinates39.0145500, -77.0547000
Altitude96
CountryUnited States
Start: South Bel Air (-76.33746, 39.53316)
End: Forest Glen (-77.0547, 39.01455)

Estimated Travel Time

Distance: 99 km by road

SpeedTime
30 mph (48.3 km/h)02h 02m
40 mph (64.37 km/h)01h 31m
50 mph (80.47 km/h)01h 13m
60 mph (96.56 km/h)01h 01m
70 mph (112.65 km/h)00h 52m
80 mph (129 km/h)00h 45m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.16 gal
8.18 L · about $8.44
Round trip
$16.88
4.32 gal · 16.36 L
Estimated CO2
19.2 kg one way
Round trip: 38.4 kg / 85 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.91 $8.44 $16.88
Mid-grade $4.53 $9.79 $19.57
Premium $4.87 $10.52 $21.04
Diesel $6.27 $13.53 $27.06

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 11, 2026

There is no time difference between South Bel Air and Forest Glen. The current time is 06:44:24.

Distance to Other Cities

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.