How far is Pasadena, MD from Gaithersburg, MD?

Fastest route

The fastest route from Pasadena, Maryland (21122) to Gaithersburg, Maryland is approximately 46 minutes covering a distance of 44.8 miles (72.1 kilometers). The route includes toll roads.

Directions

  1. ๐Ÿš— Get on MD-10 N/MD-100 W: Head southwest on E Hamburg St/Leafmoor Ct toward Linden Ave, then use the right lane to merge onto MD-10 N/MD-100 W via the ramp to I-695/Baltimore.

  2. ๐Ÿ›ฃ๏ธ Follow MD-100 W, I-95 S, and MD-200 W: Keep left at the fork to continue on MD-100 W, follow signs for MD-97. Take the exit onto I-95 S toward Washington. Use the right 2 lanes to take exit 31 B to merge onto MD-200 W toward I-270 (Toll road).

  3. ๐Ÿš™ Take exit 2 for MD-355 N toward Gaithersburg: Merge onto MD-355/S Frederick Ave.

Tips & Suggestions

  • ๐Ÿ›ฃ๏ธ Plan ahead: Since the route includes toll roads, make sure to have sufficient change or an electronic toll payment method ready to avoid delays.

  • โ›ฝ Fuel up: Before starting your journey, ensure your vehicle has enough fuel to comfortably cover the distance.

  • ๐Ÿš“ Be mindful of traffic conditions: Check for real-time traffic updates and plan your trip during off-peak hours if possible to avoid congestion.

  • ๐Ÿด Pack snacks and water: To stay energized and hydrated during the drive, bring some snacks and water for the journey.

  • ๐Ÿ“ฑ GPS and maps: Have a reliable GPS or navigation app handy to help you navigate through the route easily.

  • ๐Ÿšง Follow road signs: Pay attention to road signs and follow the directions mentioned in the route to stay on track.

  • โ˜• Take breaks: If the journey is long, consider taking short breaks to rest and stretch your legs. This can help you stay alert and focused on the road.

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
44.78 mi
00h 48m
Flight
33.88 mi
54.52 km direct

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

Learn Distance

Choose another destination from Pasadena.

Flight Distance

Direct air line
33.88 mi
Kilometers
54.52 km
Flight Time
00h 04m

Driving Distance

Road route
44.78 mi
Kilometers
72.07 km
Drive Time
00h 48m

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 48m.

Arrival Snapshot
Arrive in Gaithersburg
Fri, Nov 6, 6:40 PM EST
Return by in Pasadena
Fri, Nov 6, 7:28 PM EST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Pasadena
2026-11-06T17:52
Arrive Gaithersburg
Fri, Nov 6, 6:40 PM EST
Route Timing
00h 48m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EST
Aim for a morning departure
Arrive between
8:48 AM to 10:48 AM EST

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

Leave by
4:54 PM EST
Keeps a same-day return open with about 03h 00m at the destination.
Back in Pasadena
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 Pasadena
22.4 mi
00h 24m
To Gaithersburg
22.4 mi
00h 24m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
67ยฐF
This Afternoon

Scattered Rain Showers

Starts
Fri, Nov 6 4:00 PM EST
Wind
5 mph S
Destination
71ยฐF
This Afternoon

Mostly Sunny

Starts
Fri, Nov 6 4:00 PM EST
Wind
3 mph NW

Driving Route Map

The map below follows the saved road route between Pasadena and Gaithersburg.

Turn-by-Turn Driving Directions

Step-by-step road directions between Pasadena and Gaithersburg.

  1. 1

    Start on Hamburg Street

    106 m ยท 16 sec ยท Hamburg Street

  2. 2

    Turn right onto Governor Ritchie Highway

    2910 ft ยท 40 sec ยท Governor Ritchie Highway

  3. 3

    Take the exit slight right toward MD 10 North, I 695: Baltimore

    729 ft ยท 18 sec

  4. 4

    Merge slight left onto Arundel Expressway

    1.1 mi ยท 2 min ยท Arundel Expressway

  5. 5

    Keep slight left to continue on Paul T. Pitcher Memorial Highway

    11.9 mi ยท 16 min ยท Paul T. Pitcher Memorial Highway

  6. 6

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

    1420 ft ยท 27 sec

  7. 7

    Keep slight left to continue on I 95 South: Washington

    1.2 km ยท 2 min

  8. 8

    Merge slight left

    10.6 mi ยท 12 min

  9. 9

    Take the exit slight right toward MD 200 Toll West

    1.5 km ยท 1 min

  10. 10

    Merge slight left onto Intercounty Connector

    9.5 mi ยท 12 min ยท Intercounty Connector

  11. 11

    Continue on Intercounty Connector

    6.2 mi ยท 8 min ยท Intercounty Connector

  12. 12

    Continue straight

    2718 ft ยท 41 sec

  13. 13

    Take the exit slight right toward MD 355: Rockville, Gaithersburg

    1906 ft ยท 47 sec

  14. 14

    Turn right onto Frederick Road

    1160 ft ยท 27 sec ยท Frederick Road

  15. 15

    Continue on South Frederick Avenue

    1.6 mi ยท 3 min ยท South Frederick Avenue

  16. 16

    Turn left

    26 m ยท 6 sec

  17. 17

    Arrive at your destination

    0 m ยท 1 sec

Car Route Details

A richer read on the saved driving route between Pasadena and Gaithersburg.

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
17 steps
3 turns on the saved route
Ramps & Exits
7
3 merges, 4 ramps or exits
Navigation Density
37.9 / 100 mi
Decision points by distance
Main Roads
Intercounty Connector
16.2 mi ยท 36%
Paul T. Pitcher Memorial Highway
11.9 mi ยท 27%
I 95 South
11.4 mi ยท 25%
South Frederick Avenue
1.56 mi ยท 3%
Arundel Expressway
1.15 mi ยท 3%
MD 200 Toll West
0.92 mi ยท 2%
Longest Stretch

Paul T. Pitcher Memorial Highway

Keep slight left to continue on Paul T. Pitcher Memorial Highway

11.9 mi ยท 00h 16m

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 48m
Day trip friendly
Same-Day Return
01h 36m
Round-trip wheel time
Road vs Air
+10.9 mi
33.9 mi direct line
Halfway Stop
North Laurel
00h 24m from Pasadena
Leave By
4:54 PM EST
Morning start is best
Weather Watch

Scattered Rain Showers leaving Pasadena and Mostly Sunny near Gaithersburg.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Pasadena to Gaithersburg?

The road trip is about 44.8 miles (72.1 km) and usually takes 00h 48m 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 22.4 miles from Pasadena and 22.4 miles from Gaithersburg.

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

The direct path is about 33.9 miles (54.5 km), while the road route adds roughly 10.9 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 4:54 PM EST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $6.25 one way or $12.50 round trip. Estimated CO2 is about 14 kg one way.

What should you check before leaving?

Before you leave, expect Scattered Rain Showers around Pasadena and Mostly Sunny near Gaithersburg.

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 Pasadena and Gaithersburg. Straight-line distance: 33.88 mi (54.52 km).

Photo coming soon

#1 Pasadena

Pasadena is a place in Maryland, United States.

Population0
Coordinates39.1073300, -76.5710800
Altitude25
CountryUnited States
Gaithersburg

#2 Gaithersburg

The second most populous city in Montgomery County, Maryland.

Population67,741
Coordinates39.1434400, -77.2013700
Altitude153
CountryUnited States
Start: East Hamburg Street (-76.57098, 39.107186)
End: (-77.201269, 39.143361)

Estimated Travel Time

Distance: 72 km by road

SpeedTime
30 mph (48.3 km/h)01h 29m
40 mph (64.37 km/h)01h 07m
50 mph (80.47 km/h)00h 53m
60 mph (96.56 km/h)00h 44m
70 mph (112.65 km/h)00h 38m
80 mph (129 km/h)00h 33m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.58 gal
5.98 L ยท about $6.25
Round trip
$12.50
3.16 gal ยท 11.96 L
Estimated CO2
14 kg one way
Round trip: 28.1 kg / 62 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.96 $6.25 $12.50
Mid-grade $4.57 $7.22 $14.45
Premium $4.89 $7.73 $15.46
Diesel $6.30 $9.96 $19.91

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 06, 2026

There is no time difference between Pasadena and Gaithersburg. The current time is 17:52:32.

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.