How far is Rock Hall, MD from Gwynn Oak, MD?

The driving distance from Rock Hall, MD to Gwynn Oak, MD is about 56.2 miles (90.4 km), with a travel time of about 01h 00m by car.

  • The straight-line flight distance is about 44.8 miles (72.1 km).
  • For a round trip, plan for roughly 02h 01m 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
56.19 mi
01h 00m
Flight
44.78 mi
72.06 km direct

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

Learn Distance

Choose another destination from Rock Hall.

Flight Distance

Direct air line
44.78 mi
Kilometers
72.06 km
Flight Time
00h 05m

Driving Distance

Road route
56.19 mi
Kilometers
90.43 km
Drive Time
01h 00m

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 00m.

Arrival Snapshot
Arrive in Gwynn Oak
Sun, Apr 19, 7:09 AM EDT
Return by in Rock Hall
Sun, Apr 19, 8:10 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Rock Hall
2026-04-19T06:08
Arrive Gwynn Oak
Sun, Apr 19, 7:09 AM EDT
Route Timing
01h 00m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:01 AM to 11:01 AM EDT

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

Leave by
4:28 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Rock Hall
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
Mount Airy
MD

City in Surry County, North Carolina, United States

From Rock Hall
28.1 mi
00h 30m
To Gwynn Oak
28.1 mi
00h 30m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
58°F
Sunday

Rain Showers

Starts
Sun, Apr 19 6:00 AM EDT
Wind
14 to 18 mph NW
Destination
61°F
Sunday

Rain Showers

Starts
Sun, Apr 19 6:00 AM EDT
Wind
12 to 18 mph NW

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Rock Hall and Gwynn Oak.

  1. 1

    Start on Rock Hall Road

    2822 ft · 2 min · Rock Hall Road

  2. 2

    Turn left onto Clay Street

    1.3 km · 2 min · Clay Street

  3. 3

    Turn right onto Catoctin Mountain Highway

    1 mi · 1 min · Catoctin Mountain Highway

  4. 4

    Enter the roundabout and take exit 2 toward Catoctin Mountain Highway

    46 m · 2 sec · Catoctin Mountain Highway

  5. 5

    Exit the roundabout onto Catoctin Mountain Highway

    9.5 mi · 12 min · Catoctin Mountain Highway

  6. 6

    Take the exit slight right toward I 70 East: Baltimore, Washington

    1.1 km · 1 min

  7. 7

    Merge slight left

    23 mi · 25 min

  8. 8

    Continue straight

    6.5 mi · 7 min

  9. 9

    Keep slight left to continue on Baltimore

    11.4 mi · 13 min

  10. 10

    Take the exit slight right toward Security Boulevard

    1469 ft · 36 sec

  11. 11

    Turn straight onto Security Boulevard

    916 ft · 22 sec · Security Boulevard

  12. 12

    Turn right onto North Forest Park Avenue

    1.4 mi · 4 min · North Forest Park Avenue

  13. 13

    Turn slight left onto Hillsdale Road

    1.5 km · 3 min · Hillsdale Road

  14. 14

    Turn right onto Haddon Avenue

    54 m · 11 sec · Haddon Avenue

  15. 15

    Turn left

    18 m · 4 sec

  16. 16

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
16 steps
9 turns on the saved route
Ramps & Exits
5
1 merges, 4 ramps or exits
Navigation Density
28.5 / 100 mi
Decision points by distance
Main Roads
I 70 East
30.1 mi · 54%
Baltimore
11.4 mi · 20%
Catoctin Mountain Highway
10.5 mi · 19%
North Forest Park Avenue
1.42 mi · 3%
Hillsdale Road
0.92 mi · 2%
Clay Street
0.78 mi · 1%
Longest Stretch

I 70 East

Merge slight left

23 mi · 00h 25m

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 00m
Day trip friendly
Same-Day Return
02h 02m
Round-trip wheel time
Road vs Air
+11.4 mi
44.8 mi direct line
Halfway Stop
Mount Airy
00h 30m from Rock Hall
Leave By
4:28 PM EDT
Morning start is best
Weather Watch

Rain Showers leaving Rock Hall and Rain Showers near Gwynn Oak.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Rock Hall to Gwynn Oak?

The road trip is about 56.2 miles (90.4 km) and usually takes 01h 00m 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?

Mount Airy is a useful midpoint, sitting about 28.1 miles from Rock Hall and 28.1 miles from Gwynn Oak.

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

The direct path is about 44.8 miles (72.1 km), while the road route adds roughly 11.4 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 4:28 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $8.09 one way or $16.18 round trip. Estimated CO2 is about 17.6 kg one way.

What should you check before leaving?

Before you leave, expect Rain Showers around Rock Hall and Rain Showers near Gwynn Oak.

Stop Ideas Near Mount Airy

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

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

BUS

Frederick Airport, MD

20 mi away
1341 Hughes Ford Road
RAIL

Frederick, MD

22 mi away
100 South East Street
RAIL

Rockville station

32 mi away
251 Hungerford Drive at Park Rd.
RAIL

BWI Rail Station

45 mi away
7 Amtrak Way

Flight Path Map

This map shows the direct air route between Rock Hall and Gwynn Oak. Straight-line distance: 44.78 mi (72.06 km).

Rock Hall

#1 Rock Hall

Town of the United States

Population1,255
Coordinates39.2687100, -77.5261000
Altitude72
CountryUnited States
Photo coming soon

#2 Gwynn Oak

A census-designated place in Baltimore County, Maryland.

Population47,092
Coordinates39.3326100, -76.6927500
Altitude130
CountryUnited States
Start: (-77.526169, 39.268933)
End: (-76.692724, 39.332601)

Estimated Travel Time

Distance: 90 km by road

SpeedTime
30 mph (48.3 km/h)01h 52m
40 mph (64.37 km/h)01h 24m
50 mph (80.47 km/h)01h 07m
60 mph (96.56 km/h)00h 56m
70 mph (112.65 km/h)00h 48m
80 mph (129 km/h)00h 42m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.98 gal
7.51 L · about $8.09
Round trip
$16.18
3.96 gal · 15.02 L
Estimated CO2
17.6 kg one way
Round trip: 35.2 kg / 78 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $8.09 $16.18
Mid-grade $4.60 $9.11 $18.21
Premium $4.95 $9.81 $19.62
Diesel $5.98 $11.84 $23.68

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 Rock Hall and Gwynn Oak. The current time is 06:08:52.

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.