How far is Catonsville, MD from Mount Airy, MD?

The driving distance from Catonsville, MD to Mount Airy, MD is about 28.2 miles (45.4 km), with a travel time of about 00h 35m by car.

  • The straight-line flight distance is about 23.7 miles (38.2 km).
  • For a round trip, plan for roughly 01h 10m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Trip Tools

Reverse, save, or send this route

This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
28.22 mi
00h 35m
Flight
23.72 mi
38.17 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Catonsville.

Flight Distance

Direct air line
23.72 mi
Kilometers
38.17 km
Flight Time
00h 02m

Driving Distance

Road route
28.22 mi
Kilometers
45.41 km
Drive Time
00h 35m

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 00h 35m.

Arrival Snapshot
Arrive in Mount Airy
Sun, Apr 19, 8:28 AM EDT
Return by in Catonsville
Sun, Apr 19, 9:03 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Catonsville
2026-04-19T07:52
Arrive Mount Airy
Sun, Apr 19, 8:28 AM EDT
Route Timing
00h 35m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:35 AM to 7:35 PM EDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:20 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Catonsville
10:00 PM EDT
Flexible departure

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
Sykesville
MD

Town in Carroll County, Maryland, United States

From Catonsville
14.1 mi
00h 17m
To Mount Airy
14.1 mi
00h 17m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
62°F
Sunday

Rain Showers

Starts
Sun, Apr 19 6:00 AM EDT
Wind
8 to 14 mph W
Destination
58°F
Sunday

Rain Showers

Starts
Sun, Apr 19 6:00 AM EDT
Wind
14 to 20 mph NW

Driving Route Map

The map below follows the saved road route between Catonsville and Mount Airy.

Turn-by-Turn Driving Directions

Step-by-step road directions between Catonsville and Mount Airy.

  1. 1

    Start on the route

    11 m · 8 sec

  2. 2

    Turn left onto Frederick Road

    2417 ft · 1 min · Frederick Road

  3. 3

    Take the ramp sharp left toward I 695 North

    999 ft · 25 sec

  4. 4

    Merge slight left onto Baltimore Beltway

    2 mi · 3 min · Baltimore Beltway

  5. 5

    Take the exit slight right toward I 70: Frederick, Local Traffic

    951 ft · 23 sec

  6. 6

    Keep slight left to continue on I 70 West: Frederick

    1.3 km · 2 min

  7. 7

    Merge slight left

    14.1 mi · 15 min

  8. 8

    Continue straight

    8.8 mi · 9 min

  9. 9

    Take the exit slight right toward MD 27: Damascus, Mount Airy

    1829 ft · 47 sec

  10. 10

    Continue on South Main Street

    1.3 mi · 3 min · South Main Street

  11. 11

    Turn right onto Center Street

    32 m · 6 sec · Center Street

  12. 12

    Turn right onto Veterans Way

    36 m · 5 sec · Veterans Way

  13. 13

    Arrive at your destination

    0 m · 1 sec · Veterans Way

Car Route Details

A richer read on the saved driving route between Catonsville and Mount Airy.

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
13 steps
3 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
46.1 / 100 mi
Decision points by distance
Main Roads
I 70 West
23.7 mi · 84%
Baltimore Beltway
1.97 mi · 7%
South Main Street
1.29 mi · 5%
Frederick Road
0.46 mi · 2%
MD 27
0.35 mi · 1%
I 695 North
0.19 mi · 1%
Longest Stretch

I 70 West

Merge slight left

14.1 mi · 00h 15m

Route Summary

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

Trip Read

A short regional drive

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

Drive Time
00h 35m
Quick drive
Same-Day Return
01h 10m
Round-trip wheel time
Road vs Air
+4.5 mi
23.7 mi direct line
Halfway Stop
Sykesville
00h 17m from Catonsville
Leave By
7:20 PM EDT
Flexible departure
Weather Watch

Rain Showers leaving Catonsville and Rain Showers near Mount Airy.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Catonsville to Mount Airy?

The road trip is about 28.2 miles (45.4 km) and usually takes 00h 35m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

What is the halfway point on this route?

Sykesville is a useful midpoint, sitting about 14.1 miles from Catonsville and 14.1 miles from Mount Airy.

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

The direct path is about 23.7 miles (38.2 km), while the road route adds roughly 4.5 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:20 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $4.09 one way or $8.17 round trip. Estimated CO2 is about 8.9 kg one way.

What should you check before leaving?

Before you leave, expect Rain Showers around Catonsville and Rain Showers near Mount Airy.

Stop Ideas Near Sykesville

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

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

RAIL

Pennsylvania Station

31 mi away
1515 North Charles Street
RAIL

BWI Rail Station

31 mi away
7 Amtrak Way
BUS

Frederick Airport, MD

36 mi away
1341 Hughes Ford Road
RAIL

Rockville station

36 mi away
251 Hungerford Drive at Park Rd.

Flight Path Map

This map shows the direct air route between Catonsville and Mount Airy. Straight-line distance: 23.72 mi (38.17 km).

Catonsville

#1 Catonsville

A city in Baltimore County, Maryland.

Population41,567
Coordinates39.2720500, -76.7319200
Altitude146
CountryUnited States
Mount Airy

#2 Mount Airy

City in Surry County, North Carolina, United States

Population9,502
Coordinates39.3762100, -77.1547000
Altitude238
CountryUnited States
Start: Catonsville (-76.73192, 39.27205)
End: Mount Airy (-77.1547, 39.37621)

Estimated Travel Time

Distance: 45 km by road

SpeedTime
30 mph (48.3 km/h)00h 56m
40 mph (64.37 km/h)00h 42m
50 mph (80.47 km/h)00h 33m
60 mph (96.56 km/h)00h 28m
70 mph (112.65 km/h)00h 24m
80 mph (129 km/h)00h 21m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1 gal
3.77 L · about $4.09
Round trip
$8.17
2 gal · 7.54 L
Estimated CO2
8.9 kg one way
Round trip: 17.8 kg / 39 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $4.09 $8.17
Mid-grade $4.60 $4.60 $9.20
Premium $4.95 $4.95 $9.91
Diesel $5.98 $5.98 $11.96

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 · Apr 19, 2026

There is no time difference between Catonsville and Mount Airy. The current time is 07:52:58.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

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