Origin
Columbia, MD
Late night in Columbia on Sunday
Local time
3:41 AM
EDT
Current temp
75°F
Unavailable
Live forecast
Trip from Columbia, MD to Arnold, MD
Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards
Drive Time
39m
Distance
26.9 mi
43 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$4
one way
EV Charging
Good
8 stations
Best Time to Leave
4 AM
0h 36m
★
6 AM
0h 40m
8 AM
0h 46m
10 AM
0h 42m
12 PM
0h 41m
3 PM
0h 42m
5 PM
0h 46m
8 PM
0h 38m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Columbia, MD
Wikimedia Commons
Arnold, MD
Wikimedia Commons
Trip Overview
This straightforward 26.9-mile drive from Columbia, MD to Arnold, MD is designed for a single day, taking approximately 39 minutes. With 62% of the journey on highways, expect a mostly efficient trip. The estimated fuel cost is around $4, making it an economical option. This route stays within the Northeast region and the state of Maryland, offering a convenient short hop. It's an ideal choice if you're looking for a quick and uncomplicated transition between these two locations, perfect for a day trip without the need for an overnight stay.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| MD 100 | 15.5 mi | 21m |
| Governor Ritchie Highway | 4.8 mi | 6m |
| Ritchie Highway | 2.4 mi | 3m |
| Old Annapolis Road | 2 mi | 3m |
| Arundel Expressway | 1 mi | 1m |
| Clarksville Pike | 0.6 mi | 1m |
| Church Road | 0.1 mi | <1m |
| Arnold Road | <0.1 mi | <1m |
Longest stretch:
MD 100
— 15.5 mi, about 21m
Turn-by-Turn Driving Directions
Step-by-step road directions between Columbia, MD and Arnold, MD.
1
Start on this road
404 ft
·
9 sec
·
this road
Exit 21B
Toward MD 108 West: Clarksville, Dorsey's Search, Harper's Choice
2
Turn straight onto MD 108
0.2 mi
·
19 sec
·
Clarksville Pike
3
Continue on MD 108
0.4 mi
·
56 sec
·
Clarksville Pike
Use the left / straight lanes.
4
Turn straight onto MD 108
2.0 mi
·
3 min
·
Old Annapolis Road
5
Take the ramp
0.2 mi
·
28 sec
Toward MD 100 East
6
Merge onto MD 100
16 mi
·
21 min
·
MD 100
Use the straight / slight right lanes.
7
Merge onto MD 10; MD 100
0.3 mi
·
25 sec
·
Arundel Expressway
8
Keep slight right at fork onto MD 10
0.7 mi
·
1 min
·
Arundel Expressway
Toward MD 10 South: Severna Park
Use the slight right lane.
9
Turn left onto MD 2
2.4 mi
·
3 min
·
Ritchie Highway
10
Continue on MD 2
4.8 mi
·
6 min
·
Governor Ritchie Highway
Use the straight lane.
11
Turn left onto Arnold Road
399 ft
·
23 sec
·
Arnold Road
12
At end of road, turn left onto Baltimore Annapolis Boulevard
198 ft
·
8 sec
·
Baltimore Annapolis Boulevard
13
Continue on Church Road
0.1 mi
·
21 sec
·
Church Road
14
Arrive at destination
Church Road
Heads-up: tricky spots
5 of 75 decision points cluster between mile 0 and 26.7 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
5
0 mi into trip
|
~0m in
Depart toward MD 108 West: Clarksville, Dorsey's Search, Harper's Choice
Multiple destination signs - pick the right one
Exit 21B
Toward MD 108 West: Clarksville, Dorsey's Searc...
4
2.7 mi into trip
|
~5m in
Take the ramp toward MD 100 East
Navigation decision point
Toward MD 100 East
5
2.9 mi into trip
|
~5m in
|
MD 100
Merge onto MD 100
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
7
18.8 mi into trip
|
~27m in
|
MD 10 / Arundel Expressway
Keep slight right at fork onto MD 10 / Arundel Expressway toward MD 10 South: Severna Park
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight right lane.
Toward MD 10 South: Severna Park
5
26.7 mi into trip
|
~39m in
|
Baltimore Annapolis Boulevard
At end of road, turn left onto Baltimore Annapolis Boulevard
Navigation decision point
Fuel & Cost
Regular Gas
$4.46 one way
$8.92 round trip
$4.21/gal
25.4 MPG avg
9 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.61 | $4.88 | $9.77 |
| premium | $4.93 | $5.22 | $10.43 |
| diesel | $5.61 | $5.94 | $11.88 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$4
Estimated CO2 emission: 9.4 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $3 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 8.1 | 0 | $2.82 | $1.29 |
| Efficient EV | 6.7 | 0 | $2.35 | $1.08 |
| EV Truck/SUV | 10.8 | 0 | $3.77 | $1.72 |
Gas CO2
9 kg
EV CO2
3 kg (67% 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.
Destination
Arnold, MD
Late night in Arnold on Sunday
Local time
3:41 AM
EDT
Current temp
71°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
4 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
39m 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?
This drive is predominantly highway-focused, with a significant 62% share of the route utilizing major roadways. You'll experience a substantial stretch of 15.5 miles on MD 100, which forms a core part of the journey. Governor Ritchie Highway and Ritchie Highway also contribute to the predominantly swift character of this trip. While not a winding scenic byway, this route offers a predictable and relatively fast-paced experience, allowing you to cover the distance efficiently.
62% highway — fuel and pacing are the main things to plan.
14 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 15.5 mi on MD 100.
How Hard Is This Drive?
6/10
This is a straightforward highway drive that stays mostly on MD 100 and Governor Ritchie Highway. You will hit about 7 points where you need to pay attention to lane position or signs. The trickiest moment comes early in the drive.
Driving Effort
6/10
Moderate - straightforward overall, but long enough or busy enough to require pacing
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 26.9 miles you will encounter 7 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
Where does it get tricky?
The main spots that need attention: near the start: Multiple destination signs - pick the right one; at 2.7 miles: Navigation decision point; at 2.9 miles (MD 100): Merge point - match speed before joining. Lane positioning matters here.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 39m. Total distance: 26.9 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
39m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (62%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 15.5 miles on MD 100. 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 Arnold, 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: near the start: Multiple destination signs - pick the right one; at 2.7 miles: Navigation decision point; at 2.9 miles (MD 100): Merge point - match speed before joining. Lane positioning matters here.
Yes — Chesapeake & Ohio Canal National Historical Park. 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 Arnold, 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.
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