How far is Thurmont, MD from South Bel Air, MD?

The driving distance from Thurmont, MD to South Bel Air, MD is about 76.9 miles (123.8 km), with a travel time of about 01h 41m by car.

  • The straight-line flight distance is about 57.5 miles (92.5 km).
  • For a round trip, plan for roughly 03h 22m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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
76.93 mi
01h 41m
Flight
57.5 mi
92.54 km direct

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

Learn Distance

Choose another destination from Thurmont.

Flight Distance

Direct air line
57.5 mi
Kilometers
92.54 km
Flight Time
00h 06m

Driving Distance

Road route
76.93 mi
Kilometers
123.81 km
Drive Time
01h 41m

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 41m.

Arrival Snapshot
Arrive in South Bel Air
Wed, Sep 23, 10:55 AM EDT
Return by in Thurmont
Wed, Sep 23, 12:36 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Thurmont
2026-09-23T09:14
Arrive South Bel Air
Wed, Sep 23, 10:55 AM EDT
Route Timing
01h 41m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:41 AM to 11:41 AM EDT

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

Leave by
3:08 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Thurmont
9:30 PM EDT
Morning start is best

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Deer Park
MD

Town of the United States

From Thurmont
38.3 mi
00h 50m
To South Bel Air
38.6 mi
00h 50m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
50°F
Overnight

Light Rain Likely

Starts
Wed, Sep 23 12:00 AM EDT
Wind
16 mph NE
Destination
65°F
Wednesday

Chance Light Rain then Cloudy

Starts
Wed, Sep 23 6:00 AM EDT
Wind
14 mph NE

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on East Main Street

    1.5 km · 1 min · East Main Street

  2. 2

    Keep slight right to continue on Jimtown Road

    1.3 mi · 2 min · Jimtown Road

  3. 3

    Turn left onto Creagerstown Road

    3.4 mi · 5 min · Creagerstown Road

  4. 4

    Continue on Woodsboro Creagerstown Road

    2.6 mi · 4 min · Woodsboro Creagerstown Road

  5. 5

    At the end of the road, turn left onto Woodsboro Pike

    13 m · 1 sec · Woodsboro Pike

  6. 6

    Continue on Woodsboro Pike

    2925 ft · 1 min · Woodsboro Pike

  7. 7

    Turn left onto Woodsboro Road

    5 mi · 7 min · Woodsboro Road

  8. 8

    Turn left onto Main Street

    1 km · 1 min · Main Street

  9. 9

    Continue on Liberty Road

    22.5 mi · 34 min · Liberty Road

  10. 10

    Turn slight left onto Lyons Mill Road

    3 mi · 6 min · Lyons Mill Road

  11. 11

    Turn right onto Painters Mill Road

    1756 ft · 40 sec · Painters Mill Road

  12. 12

    Turn left onto McDonogh Road

    2.2 mi · 5 min · McDonogh Road

  13. 13

    Turn right onto Reisterstown Road

    1.1 mi · 2 min · Reisterstown Road

  14. 14

    Continue on Reisterstown Road

    72 m · 5 sec · Reisterstown Road

  15. 15

    Take the ramp straight toward I 695 East

    1627 ft · 58 sec

  16. 16

    Merge slight left onto Baltimore Beltway

    12.6 mi · 17 min · Baltimore Beltway

  17. 17

    Keep slight left to continue on White Marsh Boulevard

    3.9 mi · 6 min · White Marsh Boulevard

  18. 18

    Take the exit slight right toward I 95: New York, Baltimore

    714 ft · 18 sec

  19. 19

    Keep slight left to continue on I 95 North: New York

    3067 ft · 1 min

  20. 20

    Merge slight left onto John F. Kennedy Memorial Highway

    8.9 mi · 10 min · John F. Kennedy Memorial Highway

  21. 21

    Take the exit slight right toward MD 24: Bel Air, Edgewood

    1781 ft · 38 sec

  22. 22

    Keep slight left to continue on MD 24 North: Bel Air

    825 ft · 22 sec

  23. 23

    Turn left onto Vietnam Veterans Memorial Highway

    4.3 mi · 6 min · Vietnam Veterans Memorial Highway

  24. 24

    Turn right onto West Ring Factory Road

    3105 ft · 2 min · West Ring Factory Road

  25. 25

    Turn left onto Emmorton Road

    3158 ft · 1 min · Emmorton Road

  26. 26

    Continue on South Main Street

    151 m · 18 sec · South Main Street

  27. 27

    Turn right onto East MacPhail Road

    1341 ft · 44 sec · East MacPhail Road

  28. 28

    Turn left onto South Shamrock Road

    1811 ft · 1 min · South Shamrock Road

  29. 29

    Arrive at your destination

    0 m · 1 sec · South Shamrock Road

Car Route Details

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

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
29 steps
13 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
37.7 / 100 mi
Decision points by distance
Main Roads
Liberty Road
22.5 mi · 29%
Baltimore Beltway
12.6 mi · 16%
John F. Kennedy Memorial Highway
8.9 mi · 12%
Woodsboro Road
4.99 mi · 6%
Vietnam Veterans Memorial Highway
4.33 mi · 6%
White Marsh Boulevard
3.91 mi · 5%
Longest Stretch

Liberty Road

Continue on Liberty Road

22.5 mi · 00h 34m

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 41m
Day trip friendly
Same-Day Return
03h 22m
Round-trip wheel time
Road vs Air
+19.4 mi
57.5 mi direct line
Halfway Stop
Deer Park
00h 50m from Thurmont
Leave By
3:08 PM EDT
Morning start is best
Weather Watch

Light Rain Likely leaving Thurmont and Chance Light Rain then Cloudy near South Bel Air.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 76.9 miles (123.8 km) and usually takes 01h 41m 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?

Deer Park is a useful midpoint, sitting about 38.3 miles from Thurmont and 38.6 miles from South Bel Air.

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

The direct path is about 57.5 miles (92.5 km), while the road route adds roughly 19.4 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 3:08 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $11.49 one way or $22.97 round trip. Estimated CO2 is about 24.2 kg one way.

What should you check before leaving?

Before you leave, expect Light Rain Likely around Thurmont and Chance Light Rain then Cloudy near South Bel Air.

Stop Ideas Near Deer Park

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

Mid-route Guidance
Local place coverage is thin around Deer Park, 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 Deer Park.

RAIL

Pennsylvania Station

21 mi away
1515 North Charles Street
RAIL

BWI Rail Station

26 mi away
7 Amtrak Way
RAIL

Rockville station

44 mi away
251 Hungerford Drive at Park Rd.
BUS

Frederick Airport, MD

47 mi away
1341 Hughes Ford Road

Flight Path Map

This map shows the direct air route between Thurmont and South Bel Air. Straight-line distance: 57.5 mi (92.54 km).

Thurmont

#1 Thurmont

Town in Frederick County, Maryland, United States

Population7,070
Coordinates39.6237100, -77.4108200
Altitude158
CountryUnited States
Photo coming soon

#2 South Bel Air

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

Population48,828
Coordinates39.5331600, -76.3374600
Altitude109
CountryUnited States
Start: East Main Street (-77.410905, 39.623518)
End: South Shamrock Road (-76.337354, 39.533192)

Estimated Travel Time

Distance: 124 km by road

SpeedTime
30 mph (48.3 km/h)02h 33m
40 mph (64.37 km/h)01h 55m
50 mph (80.47 km/h)01h 32m
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.

One-way fuel
2.72 gal
10.28 L · about $11.49
Round trip
$22.97
5.44 gal · 20.56 L
Estimated CO2
24.2 kg one way
Round trip: 48.3 kg / 106 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.22 $11.49 $22.97
Mid-grade $4.84 $13.17 $26.34
Premium $5.17 $14.07 $28.14
Diesel $6.49 $17.66 $35.31

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 22, 2026

There is no time difference between Thurmont and South Bel Air. The current time is 09:14:06.

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.