How far is Catonsville, MD from Rock Hall, MD?

The driving distance from Catonsville, MD to Rock Hall, MD is about 81.2 miles (130.7 km), with a travel time of about 02h 02m by car.

  • The straight-line flight distance is about 28.1 miles (45.3 km).
  • For a round trip, plan for roughly 04h 05m 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
81.21 mi
02h 02m
Flight
28.17 mi
45.33 km direct

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

Learn Distance

Choose another destination from Catonsville.

Flight Distance

Direct air line
28.17 mi
Kilometers
45.33 km
Flight Time
00h 03m

Driving Distance

Road route
81.21 mi
Kilometers
130.7 km
Drive Time
02h 02m

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 02h 02m.

Arrival Snapshot
Arrive in Rock Hall
Thu, Nov 12, 5:36 AM EST
Return by in Catonsville
Thu, Nov 12, 7:39 AM EST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Catonsville
2026-11-12T03:34
Arrive Rock Hall
Thu, Nov 12, 5:36 AM EST
Route Timing
02h 02m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EST
Aim for a morning departure
Arrive between
10:03 AM to 12:03 PM EST

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

Leave by
2:24 PM EST
Keeps a same-day return open with about 03h 00m at the destination.
Back in Catonsville
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
Grasonville
MD

Census designated place

From Catonsville
40.6 mi
01h 01m
To Rock Hall
40.6 mi
01h 01m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
48ยฐF
Overnight

Mostly Cloudy

Starts
Thu, Nov 12 12:00 AM EST
Wind
5 mph E
Destination
Rock Hall Weather
MD
Live fallback forecast
48ยฐF
Overnight
Using Chestertown as the closest live forecast in the Kent County weather hub.

Mostly Cloudy

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

Driving Route Map

The map below follows the saved road route between Catonsville and Rock Hall.

Turn-by-Turn Driving Directions

Step-by-step road directions between Catonsville and Rock Hall.

  1. 1

    Start on the route

    11 m ยท 8 sec

  2. 2

    Turn left onto Frederick Road

    2086 ft ยท 1 min ยท Frederick Road

  3. 3

    Take the ramp right toward I 695 South: Glen Burnie

    1382 ft ยท 34 sec

  4. 4

    Merge slight left onto Baltimore Beltway

    8.4 mi ยท 11 min ยท Baltimore Beltway

  5. 5

    Take the exit slight right toward MD 10 South: Severna Park

    3143 ft ยท 1 min

  6. 6

    Continue on Arundel Expressway

    5.9 mi ยท 8 min ยท Arundel Expressway

  7. 7

    Keep slight right to continue on Arundel Expressway

    1.2 km ยท 1 min ยท Arundel Expressway

  8. 8

    Turn left onto Ritchie Highway

    2.4 mi ยท 3 min ยท Ritchie Highway

  9. 9

    Continue on Governor Ritchie Highway

    6.1 mi ยท 9 min ยท Governor Ritchie Highway

  10. 10

    Take the exit slight left toward US 50 East, US 301 North: Bay Bridge

    919 ft ยท 23 sec

  11. 11

    Merge slight left onto Blue Star Memorial Highway

    19.1 mi ยท 27 min ยท Blue Star Memorial Highway

  12. 12

    Keep slight left to continue on Blue Star Memorial Highway

    5.7 mi ยท 8 min ยท Blue Star Memorial Highway

  13. 13

    Take the exit slight right toward MD 213 North

    1814 ft ยท 50 sec

  14. 14

    Turn straight onto Centreville Road

    2 mi ยท 3 min ยท Centreville Road

  15. 15

    Continue on South Commerce Street

    1 km ยท 1 min ยท South Commerce Street

  16. 16

    Continue on Church Hill Road

    14.9 mi ยท 22 min ยท Church Hill Road

  17. 17

    Continue on Chestertown Church Hill Road

    773 ft ยท 13 sec ยท Chestertown Church Hill Road

  18. 18

    Continue on Maple Avenue

    1196 ft ยท 28 sec ยท Maple Avenue

  19. 19

    Turn left onto North Cross Street

    727 ft ยท 24 sec ยท North Cross Street

  20. 20

    Turn right onto High Street

    1.5 km ยท 2 min ยท High Street

  21. 21

    Enter the roundabout and take exit 2 toward High Street

    44 m ยท 3 sec ยท High Street

  22. 22

    Exit the roundabout onto High Street

    2216 ft ยท 44 sec ยท High Street

  23. 23

    Continue on Chestertown Road

    4.4 mi ยท 8 min ยท Chestertown Road

  24. 24

    Keep slight left to continue on Chestertown Road

    110 m ยท 7 sec ยท Chestertown Road

  25. 25

    Continue on Rock Hall Road

    6.8 mi ยท 12 min ยท Rock Hall Road

  26. 26

    Continue on Rock Hall Avenue

    2306 ft ยท 1 min ยท Rock Hall Avenue

  27. 27

    Turn left onto Main Street

    37 m ยท 3 sec ยท Main Street

  28. 28

    Arrive at your destination

    0 m ยท 1 sec ยท Main Street

Car Route Details

A richer read on the saved driving route between Catonsville and Rock Hall.

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
28 steps
8 turns on the saved route
Ramps & Exits
8
2 merges, 6 ramps or exits
Navigation Density
34.5 / 100 mi
Decision points by distance
Main Roads
Blue Star Memorial Highway
24.8 mi ยท 31%
Church Hill Road
14.9 mi ยท 18%
Baltimore Beltway
8.36 mi ยท 10%
Rock Hall Road
6.76 mi ยท 8%
Arundel Expressway
6.59 mi ยท 8%
Governor Ritchie Highway
6.08 mi ยท 7%
Longest Stretch

Blue Star Memorial Highway

Merge slight left onto Blue Star Memorial Highway

19.1 mi ยท 00h 27m

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
02h 02m
Day trip friendly
Same-Day Return
04h 06m
Round-trip wheel time
Road vs Air
+53.1 mi
28.1 mi direct line
Halfway Stop
Grasonville
01h 01m from Catonsville
Leave By
2:24 PM EST
Morning start is best
Weather Watch

Mostly Cloudy leaving Catonsville and Mostly Cloudy near Rock Hall.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Catonsville to Rock Hall?

The road trip is about 81.2 miles (130.7 km) and usually takes 02h 02m 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?

Grasonville is a useful midpoint, sitting about 40.6 miles from Catonsville and 40.6 miles from Rock Hall.

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

The direct path is about 28.1 miles (45.3 km), while the road route adds roughly 53.1 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 2:24 PM EST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $11.21 one way or $22.43 round trip. Estimated CO2 is about 25.5 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Cloudy around Catonsville and Mostly Cloudy near Rock Hall.

Stop Ideas Near Grasonville

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

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

BUS

Kent Island, MD

3 mi away
3206 Main Street
BUS

Easton Airport, Maryland

21 mi away
29137 Newman Road
BUS

Cambridge, Maryland

46 mi away
100 Heron Boulevard
RAIL

BWI Rail Station

49 mi away
7 Amtrak Way

Flight Path Map

This map shows the direct air route between Catonsville and Rock Hall. Straight-line distance: 28.17 mi (45.33 km).

Catonsville

#1 Catonsville

A city in Baltimore County, Maryland.

Population41,567
Coordinates39.2720500, -76.7319200
Altitude146
CountryUnited States
Rock Hall

#2 Rock Hall

Town of the United States

Population1,303
Coordinates39.1381700, -76.2349500
Altitude5
CountryUnited States
Start: Catonsville (-76.73192, 39.27205)
End: Rock Hall (-76.23495, 39.13817)

Estimated Travel Time

Distance: 131 km by road

SpeedTime
30 mph (48.3 km/h)02h 42m
40 mph (64.37 km/h)02h 01m
50 mph (80.47 km/h)01h 37m
60 mph (96.56 km/h)01h 21m
70 mph (112.65 km/h)01h 09m
80 mph (129 km/h)01h 00m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.87 gal
10.85 L ยท about $11.21
Round trip
$22.43
5.74 gal ยท 21.7 L
Estimated CO2
25.5 kg one way
Round trip: 51 kg / 112 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.91 $11.21 $22.43
Mid-grade $4.53 $13.00 $26.01
Premium $4.87 $13.98 $27.96
Diesel $6.27 $17.98 $35.96

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 ยท Nov 11, 2026

There is no time difference between Catonsville and Rock Hall. The current time is 03:34:15.

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.