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

The driving distance from South Bel Air, MD to Thurmont, MD is about 76.2 miles (122.6 km), with a travel time of about 01h 56m by car.

  • The straight-line flight distance is about 57.5 miles (92.5 km).
  • For a round trip, plan for roughly 03h 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.
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
76.18 mi
01h 56m
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 South Bel Air.

Flight Distance

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

Driving Distance

Road route
76.18 mi
Kilometers
122.6 km
Drive Time
01h 56m

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 56m.

Arrival Snapshot
Arrive in Thurmont
Wed, Sep 23, 2:47 PM EDT
Return by in South Bel Air
Wed, Sep 23, 4:44 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave South Bel Air
2026-09-23T12:50
Arrive Thurmont
Wed, Sep 23, 2:47 PM EDT
Route Timing
01h 56m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:57 AM to 11:57 AM EDT

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

Leave by
2:36 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in South Bel Air
9:30 PM EDT
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
Deer Park
MD

Town of the United States

From South Bel Air
38 mi
00h 58m
To Thurmont
38.2 mi
00h 58m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
65°F
Wednesday

Chance Light Rain then Cloudy

Starts
Wed, Sep 23 6:00 AM EDT
Wind
14 mph NE
Destination
50°F
Overnight

Light Rain Likely

Starts
Wed, Sep 23 12:00 AM EDT
Wind
16 mph NE

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  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 right to continue on John F. Kennedy Memorial Highway

    3269 ft · 43 sec · John F. Kennedy Memorial Highway

  10. 10

    Take the exit slight right toward MD 43: White Marsh, Middle River

    870 ft · 21 sec

  11. 11

    Keep slight right to continue on MD 43 West: White Marsh

    2668 ft · 1 min

  12. 12

    Merge slight left onto White Marsh Boulevard

    3.9 mi · 6 min · White Marsh Boulevard

  13. 13

    Merge slight right onto Baltimore Beltway

    12.6 mi · 17 min · Baltimore Beltway

  14. 14

    Take the exit slight right toward MD 140: Pikesville, Garrison

    569 ft · 14 sec

  15. 15

    Keep slight right to continue on MD 140 North: Garrison, Reisterstown

    674 ft · 16 sec

  16. 16

    Turn straight onto Reisterstown Road

    1.1 mi · 2 min · Reisterstown Road

  17. 17

    Turn left onto McDonogh Road

    2.2 mi · 5 min · McDonogh Road

  18. 18

    Turn right onto Painters Mill Road

    1756 ft · 43 sec · Painters Mill Road

  19. 19

    Turn left onto Lyons Mill Road

    3 mi · 5 min · Lyons Mill Road

  20. 20

    Turn straight onto Liberty Road

    22.5 mi · 34 min · Liberty Road

  21. 21

    Continue on Main Street

    1 km · 1 min · Main Street

  22. 22

    Turn right onto Woodsboro Road

    5 mi · 7 min · Woodsboro Road

  23. 23

    Turn right onto Woodsboro Pike

    2929 ft · 1 min · Woodsboro Pike

  24. 24

    Continue on Woodsboro Pike

    60 m · 5 sec · Woodsboro Pike

  25. 25

    Turn right onto Woodsboro Creagerstown Road

    2.6 mi · 4 min · Woodsboro Creagerstown Road

  26. 26

    Continue on Creagerstown Road

    3.4 mi · 5 min · Creagerstown Road

  27. 27

    Turn right onto Jimtown Road

    1.3 mi · 2 min · Jimtown Road

  28. 28

    Continue on East Main Street

    1.5 km · 1 min · East Main Street

  29. 29

    Arrive at your destination

    0 m · 1 sec · East Main Street

Car Route Details

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

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
6
3 merges, 3 ramps or exits
Navigation Density
38.1 / 100 mi
Decision points by distance
Main Roads
Liberty Road
22.5 mi · 30%
Baltimore Beltway
12.6 mi · 17%
John F. Kennedy Memorial Highway
8.77 mi · 12%
Woodsboro Road
4.97 mi · 7%
Vietnam Veterans Memorial Highway
3.91 mi · 5%
White Marsh Boulevard
3.88 mi · 5%
Longest Stretch

Liberty Road

Turn straight onto 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 56m
Day trip friendly
Same-Day Return
03h 54m
Round-trip wheel time
Road vs Air
+18.7 mi
57.5 mi direct line
Halfway Stop
Deer Park
00h 58m from South Bel Air
Leave By
2:36 PM EDT
Morning start is best
Weather Watch

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

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 76.2 miles (122.6 km) and usually takes 01h 56m 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 miles from South Bel Air and 38.2 miles from Thurmont.

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 18.7 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 EDT. If you want a more comfortable same-day return, try to leave by 2:36 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $11.36 one way or $22.71 round trip. Estimated CO2 is about 23.9 kg one way.

What should you check before leaving?

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

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 South Bel Air and Thurmont. Straight-line distance: 57.5 mi (92.54 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
Thurmont

#2 Thurmont

Town in Frederick County, Maryland, United States

Population7,070
Coordinates39.6237100, -77.4108200
Altitude158
CountryUnited States
Start: South Bel Air (-76.33746, 39.53316)
End: Thurmont (-77.41082, 39.62371)

Estimated Travel Time

Distance: 123 km by road

SpeedTime
30 mph (48.3 km/h)02h 32m
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.

One-way fuel
2.69 gal
10.18 L · about $11.36
Round trip
$22.71
5.38 gal · 20.36 L
Estimated CO2
23.9 kg one way
Round trip: 47.8 kg / 105 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.22 $11.36 $22.71
Mid-grade $4.84 $13.01 $26.02
Premium $5.18 $13.93 $27.85
Diesel $6.49 $17.47 $34.94

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

There is no time difference between South Bel Air and Thurmont. The current time is 12:50:48.

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.