How far is Charlestown, MD from Gwynn Oak, MD?
The driving distance from Charlestown, MD to Gwynn Oak, MD is about 148.7 miles (239.3 km), with a travel time of about 02h 27m by car.
- The straight-line flight distance is about 122.7 miles (197.5 km).
- For a round trip, plan for roughly 04h 55m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
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 27m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Town of the United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers
Rain Showers
Driving Route Map
The map below follows the saved road route between Charlestown and Gwynn Oak.
Turn-by-Turn Driving Directions
Step-by-step road directions between Charlestown and Gwynn Oak.
-
1
Start on Charlestown Road
52 m · 8 sec · Charlestown Road
-
2
Turn right onto Jackson Run Road Southwest
1007 ft · 44 sec · Jackson Run Road Southwest
-
3
Continue on Jackson Street
2475 ft · 2 min · Jackson Street
-
4
Continue on Union Street
118 m · 18 sec · Union Street
-
5
At the end of the road, turn right onto Main Street
3260 ft · 2 min · Main Street
-
6
Continue on Lower Georges Creek Road Southwest
1.7 mi · 4 min · Lower Georges Creek Road Southwest
-
7
Continue on New Georges Creek Road Southwest
1579 ft · 40 sec · New Georges Creek Road Southwest
-
8
Turn right onto Paradise Street Southwest
1 km · 2 min · Paradise Street Southwest
-
9
Turn straight onto New Georges Creek Road Southwest
3.3 mi · 5 min · New Georges Creek Road Southwest
-
10
Take the ramp slight right
2717 ft · 1 min
-
11
Merge slight left onto National Freeway
45.7 mi · 52 min · National Freeway
-
12
Continue on Dwight D Eisenhower Highway
4.7 mi · 5 min · Dwight D Eisenhower Highway
-
13
Continue on I 70, US 40 (Dwight D Eisenhower Highway)
3.3 mi · 4 min · I 70, US 40 (Dwight D Eisenhower Highway)
-
14
Continue on Dwight D Eisenhower Highway
66.3 mi · 1 hr 11 min · Dwight D Eisenhower Highway
-
15
Continue straight
6.5 mi · 7 min
-
16
Keep slight left to continue on Baltimore
11.4 mi · 13 min
-
17
Take the exit slight right toward Security Boulevard
1469 ft · 36 sec
-
18
Turn straight onto Security Boulevard
916 ft · 22 sec · Security Boulevard
-
19
Turn right onto North Forest Park Avenue
1.4 mi · 4 min · North Forest Park Avenue
-
20
Turn slight left onto Hillsdale Road
1.5 km · 3 min · Hillsdale Road
-
21
Turn right onto Haddon Avenue
54 m · 11 sec · Haddon Avenue
-
22
Turn left
18 m · 4 sec
-
23
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Charlestown and Gwynn Oak.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Dwight D Eisenhower Highway
Continue on Dwight D Eisenhower Highway
66.3 mi · 01h 11m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Rain Showers leaving Charlestown 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 Charlestown to Gwynn Oak?
The road trip is about 148.7 miles (239.3 km) and usually takes 02h 27m 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?
Williamsport is a useful midpoint, sitting about 74.1 miles from Charlestown and 74.5 miles from Gwynn Oak.
How much longer is the road route than the straight-line distance?
The direct path is about 122.7 miles (197.5 km), while the road route adds roughly 26 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 1:34 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $21.45 one way or $42.90 round trip. Estimated CO2 is about 46.7 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers around Charlestown and Rain Showers near Gwynn Oak.
Stop Ideas Near Williamsport
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Williamsport.
Hagerstown, MD
Martinsburg station
Hancock, MD
Harpers Ferry
Flight Path Map
This map shows the direct air route between Charlestown and Gwynn Oak. Straight-line distance: 122.73 mi (197.52 km).
#1 Charlestown
Town in Cecil County, Maryland
| Population | 1,202 |
| Coordinates | 39.5562000, -78.9747500 |
| Altitude | 513 |
| Country | United States |
#2 Gwynn Oak
A census-designated place in Baltimore County, Maryland.
| Population | 47,092 |
| Coordinates | 39.3326100, -76.6927500 |
| Altitude | 130 |
| Country | United States |
End: (-76.692724, 39.332601)
Estimated Travel Time
Distance: 239 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 57m |
| 40 mph (64.37 km/h) | 03h 43m |
| 50 mph (80.47 km/h) | 02h 58m |
| 60 mph (96.56 km/h) | 02h 28m |
| 70 mph (112.65 km/h) | 02h 07m |
| 80 mph (129 km/h) | 01h 51m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $21.45 | $42.90 |
| Mid-grade | $4.60 | $24.14 | $48.29 |
| Premium | $4.95 | $26.01 | $52.02 |
| Diesel | $5.98 | $31.40 | $62.79 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.