Origin
Littleton, CO
Night in Littleton on Wednesday
Local time
9:37 PM
MDT
Current temp
47°F
Unavailable
Live forecast
Trip from Littleton, CO to Thornton, CO
Last recalculated Apr 16, 2026
Drive Time
30m
Distance
20.4 mi
33 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$3
one way
Best Time to Leave
4 AM
0h 28m
★
6 AM
0h 30m
8 AM
0h 35m
10 AM
0h 32m
12 PM
0h 31m
3 PM
0h 32m
5 PM
0h 35m
8 PM
0h 29m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Littleton, CO
Wikimedia Commons
Thornton, CO
Wikimedia Commons
Trip Overview
The drive from Littleton, CO to Thornton, CO covers 20.4 miles and takes about 30m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on South Valley Highway, South Santa Fe Drive, North Valley Highway for much of the mileage, and the overall profile is turn-heavy local drive. The longest uninterrupted segment is about 10 miles on South Valley Highway. At current regular gas prices, budget about $3.07 one way before food or hotel costs.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
0 planned breaks
This drive is short enough that no stops are needed.
Midpoint
10.2 miles from Littleton, CO
A natural place for your longest stop of the day , about 14m into the drive .
Drive Character
Expect a 30m drive with frequent turns across 20.4 miles of local and secondary roads.
This route has more turning and local-road decision points than a simple highway run.
There are about 14 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
South Valley Highway is the longest continuous segment at about 10 miles.
How Hard Is This Drive?
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 0.2 miles in.
Route Complexity
8/10
Focused - busy navigation packed into a short drive
This is a short but busy drive. With 12 decision points packed into just 20.4 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 30m.
Where does it get tricky?
The main spots that need attention: at 0.2 miles: Lane positioning matters here; at 6.7 miles (US 85): Exit ramp - move to the correct lane early. Lane positioning matters here; at 17.5 miles (I 25 / North Valley Highway): Highway fork - watch signs carefully. Lane positioning matters here.
Critical Maneuvers
5 of 12 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
7
0.2 mi into trip
|
~1m in
Take the ramp toward US 85
Lane positioning matters here
Use the straight / slight right lanes.
Toward US 85
6
6.7 mi into trip
|
~8m in
|
US 85
Take the exit onto US 85 toward I 25 North: Fort Collins
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the straight / right lanes.
Toward I 25 North: Fort Collins
6
17.5 mi into trip
|
~24m in
|
I 25 / North Valley Highway
Keep slight right at fork onto I 25 / North Valley Highway
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight right lane.
7
18.8 mi into trip
|
~26m in
Take the exit toward Thornton Parkway
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Exit 220
Toward Thornton Parkway
6
20.2 mi into trip
|
~29m in
|
Dorothy Boulevard
Turn right onto Dorothy Boulevard
Lane positioning matters here
Use the right lane.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| South Valley Highway | 10 mi | 13m |
| South Santa Fe Drive | 6.4 mi | 7m |
| North Valley Highway | 1.3 mi | 1m |
| Thornton Parkway | 0.9 mi | 1m |
| US 85 | 0.8 mi | 1m |
| Dorothy Boulevard | 0.2 mi | <1m |
| West Main Street | 0.1 mi | <1m |
| South Nevada Street | <0.1 mi | <1m |
Longest stretch:
South Valley Highway
— 10 mi, about 13m
Turn-by-Turn Driving Directions
Step-by-step road directions between Littleton, CO and Thornton, CO.
1
Start on this road
35 ft
·
4 sec
·
this road
2
Turn right
157 ft
·
13 sec
3
Turn right onto South Nevada Street
176 ft
·
15 sec
·
South Nevada Street
4
Turn left onto West Main Street
0.1 mi
·
29 sec
·
West Main Street
5
Take the ramp
380 ft
·
10 sec
Toward US 85
Use the straight / slight right lanes.
6
Merge onto US 85
6.4 mi
·
7 min
·
South Santa Fe Drive
Use the straight / slight right lanes.
7
Take the exit onto US 85
0.8 mi
·
1 min
·
US 85
Toward I 25 North: Fort Collins
Use the straight / right lanes.
8
Merge onto I 25
10 mi
·
13 min
·
South Valley Highway
Use the straight / slight right lanes.
9
Keep slight right at fork onto I 25
1.3 mi
·
1 min
·
North Valley Highway
Use the slight right lane.
10
Take the exit
0.4 mi
·
43 sec
Exit 220
Toward Thornton Parkway
Use the slight right lane.
11
Turn right onto Thornton Parkway
0.9 mi
·
1 min
·
Thornton Parkway
Use the left / straight / right lanes.
12
Turn right onto Dorothy Boulevard
0.2 mi
·
51 sec
·
Dorothy Boulevard
Use the right lane.
13
Turn right
116 ft
·
8 sec
14
Arrive at destination
Trip Plan
Morning Departure
Leave by 9 AM and you'll arrive before lunch.
Evening Departure
Even a 4 PM departure gets you there before dark in summer.
You can normally do this drive in one day.
You may only need one short stretch break if traffic stays light.
The halfway point lands around 10.2 miles from Littleton, CO, or about 14m into the drive.
The longest continuous stretch on this route runs about 10 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 20 miles or 28m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 10.2 miles or 14m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 24m
Traffic, exits, and arrival timing usually matter more near Thornton, CO than in the middle of the route.
Before You Leave
+
Have your navigation ready before leaving Littleton, CO.
Day 1
Settle into the route from Littleton, CO
This is one driving day of about 20.4 miles and 30m.
At 20.4 miles this is a quick drive — no planned stops needed.
The longest stretch is on South Valley Highway for about 10 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 10.2 mi from Littleton, CO · 14m into the drive
Pacing Suggestions
Fuel and coffee
A short stop after about 20 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 10.2 miles from Littleton, CO, which is a good place for a longer meal and fuel stop.
Arriving in Thornton, CO
Allow a few extra minutes for the final approach into Thornton, CO if you are unfamiliar with the area.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$3.07 one way
$6.15 round trip
$3.83/gal
25.4 MPG avg
7 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.05 | $3.25 | $6.51 |
| premium | $4.39 | $3.53 | $7.06 |
| diesel | $5.61 | $4.50 | $9.01 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$3
Meals
$25–$50
Total
$28–$53
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 7.1 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $2 in charging · 0 stops · 71% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 6.1 | 0 | $2.14 | $0.98 |
| Efficient EV | 5.1 | 0 | $1.78 | $0.82 |
| EV Truck/SUV | 8.2 | 0 | $2.86 | $1.31 |
Gas CO2
7 kg
EV CO2
2 kg (71% 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
Thornton, CO
Night in Thornton on Wednesday
Local time
9:37 PM
MDT
Current temp
46°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 cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
30m 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.
Frequently Asked Questions
The drive from Littleton, CO to Thornton, CO covers 20.4 miles and takes about 30m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are South Valley Highway, South Santa Fe Drive, North Valley Highway. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 10.2 miles from Littleton, CO. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $3.07 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.
This is a short but busy drive. With 12 decision points packed into just 20.4 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 30m.
The main spots that need attention: at 0.2 miles: Lane positioning matters here; at 6.7 miles (US 85): Exit ramp - move to the correct lane early. Lane positioning matters here; at 17.5 miles (I 25 / North Valley Highway): Highway fork - watch signs carefully. Lane positioning matters here.
The route from Littleton, CO to Thornton, CO does not surface many named destination signs beyond the main corridor.
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