How far is Delmar, MD from Rockville, MD?
The driving distance from Delmar, MD to Rockville, MD is about 127.8 miles (205.7 km), with a travel time of about 02h 18m by car.
- The straight-line flight distance is about 95.3 miles (153.4 km).
- For a round trip, plan for roughly 04h 37m 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 18m.
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.
Census designated place
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Delmar and Rockville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Delmar and Rockville.
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1
Start on East State Street
1 mi · 3 min · East State Street
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2
Turn left onto Sussex Highway
19.3 mi · 27 min · Sussex Highway
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3
Take the exit slight left
51 m · 6 sec
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4
Continue on Rifle Range Road
673 ft · 19 sec · Rifle Range Road
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5
Turn right onto South Main Street
1 mi · 2 min · South Main Street
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6
Turn left onto Market Street
2366 ft · 46 sec · Market Street
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7
Turn right onto Seashore Highway
7.5 mi · 9 min · Seashore Highway
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8
Continue on Shore Highway
17.4 mi · 24 min · Shore Highway
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9
Continue on Queen Anne Highway
6.2 mi · 8 min · Queen Anne Highway
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10
Take the exit slight right
527 ft · 15 sec
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11
Merge slight left onto Ocean Gateway
28.5 mi · 40 min · Ocean Gateway
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12
Continue on John Hanson Highway
18.4 mi · 22 min · John Hanson Highway
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13
Take the exit slight right toward I 95 North, I 495 North: Baltimore, Silver Spring
2347 ft · 57 sec
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14
Keep slight left to continue on I 495 North, I 95 North: Beltway
3221 ft · 1 min
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15
Merge slight left onto Capital Beltway
6.9 mi · 9 min · Capital Beltway
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16
Keep slight left to continue on Capital Beltway
9.5 mi · 12 min · Capital Beltway
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17
Keep slight right to continue on I 270 North: Frederick
3.6 mi · 5 min
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18
Keep slight right to continue on I 270 North
1.8 mi · 2 min
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19
Take the exit slight right toward MD 189: Falls Road
753 ft · 18 sec
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20
Keep slight right to continue on MD 189 North: Falls Road, Rockville, Town Center
567 ft · 14 sec
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21
Turn straight onto Falls Road
132 m · 21 sec · Falls Road
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22
Turn left onto Great Falls Road
1.1 km · 2 min · Great Falls Road
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23
Continue on West Montgomery Avenue
1159 ft · 38 sec · West Montgomery Avenue
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24
Turn right onto South Washington Street
19 m · 2 sec · South Washington Street
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25
Arrive at your destination
0 m · 1 sec · South Washington Street
Car Route Details
A richer read on the saved driving route between Delmar and Rockville.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Ocean Gateway
Merge slight left onto Ocean Gateway
28.5 mi · 00h 40m
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.
Sunny leaving Delmar and Sunny near Rockville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Delmar to Rockville?
The road trip is about 127.8 miles (205.7 km) and usually takes 02h 18m 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 62 miles from Delmar and 65.8 miles from Rockville.
How much longer is the road route than the straight-line distance?
The direct path is about 95.3 miles (153.4 km), while the road route adds roughly 32.5 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 1:52 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $18.43 one way or $36.86 round trip. Estimated CO2 is about 40.1 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Delmar and Sunny near Rockville.
Stop Ideas Near Grasonville
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 Grasonville.
Kent Island, MD
Easton Airport, Maryland
Cambridge, Maryland
BWI Rail Station
Flight Path Map
This map shows the direct air route between Delmar and Rockville. Straight-line distance: 95.31 mi (153.39 km).
#1 Delmar
Town in Wicomico County, Maryland, United States
| Population | 3,596 |
| Coordinates | 38.4559496, -75.5774249 |
| Altitude | 15 |
| Country | United States |
#2 Rockville
The most populous city in Montgomery County, Maryland.
| Population | 69,512 |
| Coordinates | 39.0840000, -77.1527600 |
| Altitude | 137 |
| Country | United States |
End: South Washington Street (-77.152887, 39.083997)
Estimated Travel Time
Distance: 206 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 15m |
| 40 mph (64.37 km/h) | 03h 11m |
| 50 mph (80.47 km/h) | 02h 33m |
| 60 mph (96.56 km/h) | 02h 07m |
| 70 mph (112.65 km/h) | 01h 49m |
| 80 mph (129 km/h) | 01h 35m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $18.43 | $36.86 |
| Mid-grade | $4.60 | $20.74 | $41.48 |
| Premium | $4.95 | $22.34 | $44.69 |
| Diesel | $5.98 | $26.97 | $53.94 |
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 · May 04, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.