Skip to main content

Trip from Colesville, MD to Gwynn Oak, MD

Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards

Drive Time

44m

Distance

29.9 mi

48 km

Drive Score

7/10

Good drive

Same Day?

Yes, doable

Fuel Cost

$5

one way

EV Charging

Good

8 stations

Best Time to Leave

Save up to 11 min
4 AM
0h 41m ★
6 AM
0h 44m
8 AM
0h 52m
10 AM
0h 47m
12 PM
0h 46m
3 PM
0h 47m
5 PM
0h 51m
8 PM
0h 42m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

census-designated place in Montgomery County, Maryland, United States

Colesville, MD

Wikimedia Commons

Downtown Gwynn Oak, MD, MD

Gwynn Oak, MD

Iqbal farooz

Trip Overview

If you are planning a quick transition between Colesville and Gwynn Oak, expect a straightforward 29.9-mile journey that typically takes about 44 minutes. This route is perfectly suited for a single-day trip, as the distance is short enough that you won't need to worry about overnight accommodations. You can easily budget approximately $5 for fuel, making this an incredibly cost-effective commute or visit. By utilizing a combination of Columbia Pike, I-70, and the Intercounty Connector, you will navigate through the heart of the Northeast region. It is a practical, no-nonsense path that prioritizes efficiency over scenic wandering, ideal for those who prefer to reach their destination without unnecessary delays.

Main Roads

Road Distance Duration
Columbia Pike 16.5 mi 21m
I 70 6 mi 7m
Intercounty Connector 2.1 mi 2m
North Forest Park Avenue 1.4 mi 3m
Hillsdale Road 0.9 mi 2m
New Hampshire Avenue 0.8 mi 1m
Security Boulevard 0.2 mi <1m
Haddon Avenue <0.1 mi <1m
Longest stretch: Columbia Pike — 16.5 mi, about 21m

Turn-by-Turn Driving Directions

Step-by-step road directions between Colesville, MD and Gwynn Oak, MD.

1

Start on East Randolph Road

15 ft · 5 sec · East Randolph Road
2

Turn left onto MD 650

0.8 mi · 1 min · New Hampshire Avenue
3

Take the ramp

0.2 mi · 29 sec
Toward MD 200 Toll East
4

Merge onto MD 200 Toll

2.1 mi · 2 min · Intercounty Connector
5

Take the exit

0.2 mi · 28 sec
Exit 16A-B Toward US 29: Silver Spring, Columbia Use the slight right lane.
6

Keep slight left at fork

0.5 mi · 59 sec
Exit 16B Toward US 29 North: Columbia
7

Merge onto US 29

17 mi · 21 min · Columbia Pike
Use the straight / slight right lanes.
8

Take the exit

0.7 mi · 1 min
Exit 25A Toward I 70 East: Baltimore Use the slight right lane.
9

Merge onto I 70

6.0 mi · 7 min · I 70
10

Take the exit

0.3 mi · 35 sec
Exit 94 Toward Security Boulevard Use the straight / right lanes.
11

Turn straight onto MD 122

0.2 mi · 22 sec · Security Boulevard
Use the right lane.
12

Turn right onto North Forest Park Avenue

1.4 mi · 3 min · North Forest Park Avenue
13

Turn slight left onto Hillsdale Road

0.9 mi · 2 min · Hillsdale Road
14

Turn right onto Haddon Avenue

178 ft · 11 sec · Haddon Avenue
15

Turn left

60 ft · 4 sec
16

Arrive at destination

Heads-up: tricky spots

5 of 12

5 decision points cluster between mile 3.2 and 27.1 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.

8
3.2 mi into trip | ~4m in

Take the exit toward US 29: Silver Spring, Columbia

Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one

Use the slight right lane. Exit 16A-B Toward US 29: Silver Spring, Columbia
6
3.4 mi into trip | ~5m in

Keep slight left at fork toward US 29 North: Columbia

Highway fork - watch signs carefully

Exit 16B Toward US 29 North: Columbia
5
3.9 mi into trip | ~6m in | US 29 / Columbia Pike

Merge onto US 29 / Columbia Pike

Merge point - match speed before joining. Lane positioning matters here

Use the straight / slight right lanes.
7
20.4 mi into trip | ~27m in

Take the exit toward I 70 East: Baltimore

Exit ramp - move to the correct lane early. Lane positioning matters here

Use the slight right lane. Exit 25A Toward I 70 East: Baltimore
7
27.1 mi into trip | ~36m in

Take the exit toward Security Boulevard

Exit ramp - move to the correct lane early. Lane positioning matters here

Use the straight / right lanes. Exit 94 Toward Security Boulevard

Fuel & Cost

Regular Gas

$4.96 one way

$9.91 round trip

$4.21/gal 25.4 MPG avg 11 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.61 $5.43 $10.86
premium $4.93 $5.80 $11.60
diesel $5.61 $6.60 $13.20

No toll roads detected on this route.

Drive Cost (one way)

Fuel

$5

Estimated CO2 emission: 10.5 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $3 in charging · 0 stops · 70% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 9 0 $3.14 $1.44
Efficient EV 7.5 0 $2.62 $1.20
EV Truck/SUV 12 0 $4.19 $1.91

Gas CO2

10 kg

EV CO2

3 kg (70% less)

This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.

DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.

Travel Intel

Current conditions at both ends of the drive.

Forecast as of Apr 17, 2026

Origin

Colesville, MD

Late night in Colesville on Sunday

Local time

3:46 AM

EDT

Current temp

73°F

Unavailable

Live forecast

Destination

Gwynn Oak, MD

Late night in Gwynn Oak on Sunday

Local time

3:46 AM

EDT

Current temp

74°F

Unavailable

Live forecast

Time zone

Same local time

Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.

Temperature spread

1 degrees warmer at arrival

A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.

Road read

44m on the road

Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.

Weather data from the National Weather Service. Conditions may change; check closer to your travel date.

What kind of drive is this?

Expect a turn-heavy local drive that demands your full attention behind the wheel. While you will spend about 20% of your time on highways, the route transitions frequently between local roads and larger thoroughfares. You will face a longest stretch of 16.5 miles on Columbia Pike, which serves as the primary backbone of your trip. The character of the road is technical rather than monotonous, requiring you to navigate various turns as you move between the two Maryland points. Be prepared for a mix of speeds as you transition off the highway segments and back onto more localized infrastructure.

Only 20% highway — the rest is turn-by-turn surface driving.
16 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 16.5 mi on Columbia Pike.

How Hard Is This Drive?

8/10

Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 3.2 miles in.

Driving Effort 8/10

Focused - busy navigation packed into a short drive

Balances navigation complexity with total wheel time.

This is a short but busy drive. With 12 decision points packed into just 29.9 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 44m.

Where does it get tricky?

The main spots that need attention: at 3.2 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 3.4 miles: Highway fork - watch signs carefully; at 3.9 miles (US 29 / Columbia Pike): Merge point - match speed before joining. Lane positioning matters here.

Towns Mentioned on Route Signs

Based on OSRM destination-sign hints, not a full list of every settlement the road passes.

On the drive from Colesville, MD to Gwynn Oak, MD, road signs begin pointing toward Columbia along the way.

Columbia

3.2 mi in | ~4m

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 44m. Total distance: 29.9 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

44m drive, comfortable solo distance.

EV Driver

0 DC fast chargers along the route. Coverage: unknown.

Scenic Drive

Mostly surface roads route profile with national parks nearby.

Frequently Asked Questions

The longest stretch is about 16.5 miles on Columbia Pike. The full list of main roads is in the Roads section above.

It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Gwynn Oak, MD before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.

Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.

The main spots that need attention: at 3.2 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 3.4 miles: Highway fork - watch signs carefully; at 3.9 miles (US 29 / Columbia Pike): Merge point - match speed before joining. Lane positioning matters here.

Yes — Chesapeake & Ohio Canal National Historical Park, Potomac Heritage National Scenic Trail and Monocacy National Battlefield. See the National Parks section for detour distances and tips on detours.

Yes. A round trip is manageable in a single day if you plan a break at Gwynn Oak, MD before heading back.

How this page is built

Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, and NPS for national parks. See our methodology for refresh cadence and limitations.

Was this helpful?

Thanks for your feedback!

Your tip has been submitted. Thanks!

/500

Explore More

Explore more options from Colesville, MD or browse trips ending in Gwynn Oak, MD.

Looking for more statewide routes? Browse MD road trips.