How far is South Gate, MD from Rockville, MD?

The driving distance from South Gate, MD to Rockville, MD is about 40 miles (64.4 km), with a travel time of about 00h 52m by car.

  • The straight-line flight distance is about 28.4 miles (45.7 km).
  • For a round trip, plan for roughly 01h 45m 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
40.02 mi
00h 52m
Flight
28.42 mi
45.74 km direct

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

Learn Distance

Choose another destination from South Gate.

Flight Distance

Direct air line
28.42 mi
Kilometers
45.74 km
Flight Time
00h 03m

Driving Distance

Road route
40.02 mi
Kilometers
64.4 km
Drive Time
00h 52m

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 52m.

Arrival Snapshot
Arrive in Rockville
Tue, Nov 10, 6:52 AM EST
Return by in South Gate
Tue, Nov 10, 7:45 AM EST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave South Gate
2026-11-10T05:59
Arrive Rockville
Tue, Nov 10, 6:52 AM EST
Route Timing
00h 52m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EST
Aim for a morning departure
Arrive between
8:53 AM to 10:53 AM EST

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

Leave by
4:44 PM EST
Keeps a same-day return open with about 03h 00m at the destination.
Back in South Gate
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
North Laurel
MD

Census-designated place in Howard County, Maryland, United States

From South Gate
19.8 mi
00h 26m
To Rockville
20.2 mi
00h 26m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
67°F
Tuesday

Sunny

Starts
Tue, Nov 10 6:00 AM EST
Wind
3 to 8 mph SW
Destination
68°F
Tuesday

Sunny

Starts
Tue, Nov 10 6:00 AM EST
Wind
2 to 8 mph SW

Driving Route Map

The map below follows the saved road route between South Gate and Rockville.

Turn-by-Turn Driving Directions

Step-by-step road directions between South Gate and Rockville.

  1. 1

    Start on Nolfield Drive

    1448 ft · 2 min · Nolfield Drive

  2. 2

    At the end of the road, turn right onto Phirne Road

    1.1 km · 3 min · Phirne Road

  3. 3

    Turn left onto Crain Highway South

    2688 ft · 1 min · Crain Highway South

  4. 4

    Take the ramp straight toward I 97 North: Baltimore

    1853 ft · 28 sec

  5. 5

    Merge slight left

    1.6 km · 1 min

  6. 6

    Take the exit slight right toward MD 100: Ellicott City, Gibson Island

    1350 ft · 33 sec

  7. 7

    Keep slight left to continue on MD 100 West: Ellicott City

    1.3 km · 2 min

  8. 8

    Merge slight left onto Paul T. Pitcher Memorial Highway

    7.3 mi · 10 min · Paul T. Pitcher Memorial Highway

  9. 9

    Take the exit slight right toward I 95: Baltimore, Washington

    1420 ft · 27 sec

  10. 10

    Keep slight left to continue on I 95 South: Washington

    1.2 km · 2 min

  11. 11

    Merge slight left

    10.6 mi · 12 min

  12. 12

    Take the exit slight right toward MD 200 Toll West

    1.5 km · 1 min

  13. 13

    Merge slight left onto Intercounty Connector

    9.5 mi · 12 min · Intercounty Connector

  14. 14

    Take the exit slight right toward MD 97: Georgia Avenue, Olney, Wheaton

    1708 ft · 42 sec

  15. 15

    Keep slight left to continue on MD 97 South: Georgia Avenue South, Wheaton

    2642 ft · 1 min

  16. 16

    Turn right onto Georgia Avenue

    1.2 km · 1 min · Georgia Avenue

  17. 17

    Turn right onto Norbeck Road

    3.6 mi · 6 min · Norbeck Road

  18. 18

    Continue on First Street

    2575 ft · 57 sec · First Street

  19. 19

    Turn right onto Veirs Mill Road

    2936 ft · 1 min · Veirs Mill Road

  20. 20

    Continue on East Jefferson Street

    1622 ft · 54 sec · East Jefferson Street

  21. 21

    Turn right onto South Washington Street

    91 m · 10 sec · South Washington Street

  22. 22

    Arrive at your destination

    0 m · 1 sec · South Washington Street

Car Route Details

A richer read on the saved driving route between South Gate and Rockville.

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
22 steps
6 turns on the saved route
Ramps & Exits
9
4 merges, 5 ramps or exits
Navigation Density
55 / 100 mi
Decision points by distance
Main Roads
I 95 South
11.4 mi · 28%
Intercounty Connector
9.47 mi · 24%
Paul T. Pitcher Memorial Highway
7.3 mi · 18%
Norbeck Road
3.59 mi · 9%
I 97 North
1.34 mi · 3%
MD 200 Toll West
0.92 mi · 2%
Longest Stretch

I 95 South

Merge slight left

10.6 mi · 00h 12m

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
00h 52m
Day trip friendly
Same-Day Return
01h 46m
Round-trip wheel time
Road vs Air
+11.6 mi
28.4 mi direct line
Halfway Stop
North Laurel
00h 26m from South Gate
Leave By
4:44 PM EST
Morning start is best
Weather Watch

Sunny leaving South Gate and Sunny near Rockville.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from South Gate to Rockville?

The road trip is about 40 miles (64.4 km) and usually takes 00h 52m 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?

North Laurel is a useful midpoint, sitting about 19.8 miles from South Gate and 20.2 miles from Rockville.

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

The direct path is about 28.4 miles (45.7 km), while the road route adds roughly 11.6 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 4:44 PM EST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $5.53 one way or $11.06 round trip. Estimated CO2 is about 12.5 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around South Gate and Sunny near Rockville.

Stop Ideas Near North Laurel

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

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

RAIL

BWI Rail Station

16 mi away
7 Amtrak Way
RAIL

New Carrollton station

21 mi away
4300 Garden City Drive
RAIL

Rockville station

25 mi away
251 Hungerford Drive at Park Rd.
RAIL

Washington Union Station

29 mi away
50 Massachusetts Ave NE

Flight Path Map

This map shows the direct air route between South Gate and Rockville. Straight-line distance: 28.42 mi (45.74 km).

Photo coming soon

#1 South Gate

South Gate is a place in Maryland, United States.

Population0
Coordinates39.1290000, -76.6258000
Altitude16
CountryUnited States
Rockville

#2 Rockville

The most populous city in Montgomery County, Maryland.

Population69,512
Coordinates39.0840000, -77.1527600
Altitude137
CountryUnited States
Start: Nolfield Drive (-76.627868, 39.128296)
End: South Washington Street (-77.152887, 39.083997)

Estimated Travel Time

Distance: 64 km by road

SpeedTime
30 mph (48.3 km/h)01h 20m
40 mph (64.37 km/h)01h 00m
50 mph (80.47 km/h)00h 48m
60 mph (96.56 km/h)00h 40m
70 mph (112.65 km/h)00h 34m
80 mph (129 km/h)00h 29m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.41 gal
5.35 L · about $5.53
Round trip
$11.06
2.82 gal · 10.7 L
Estimated CO2
12.5 kg one way
Round trip: 25.1 kg / 55 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.92 $5.53 $11.06
Mid-grade $4.55 $6.41 $12.83
Premium $4.87 $6.87 $13.73
Diesel $6.28 $8.85 $17.70

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 · Nov 09, 2026

There is no time difference between South Gate and Rockville. The current time is 05:59:45.

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.