Limon to Thornton is 91.7 miles and takes about 1 hour 41 minutes via Dwight D. Eisenhower Highway, with a fuel budget near $14 and enough daylight to finish in a day. This drive stays within Colorado, moving from the Mountain West region to the same region. Expect a route that involves frequent turns and local road segments rather than a straight shot. It's a straightforward trip that should be easy to complete within a single day, making it a convenient option for a quick journey.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Midpoint
45.8 miles from Limon, CO
A natural place for your longest stop of the day
, about 47m into the drive
.
Main Roads
Road
Distance
Duration
Dwight D. Eisenhower Highway
79.7 mi
1h 22m
Tuskegee Airmen Memorial Highway
6.2 mi
7m
North Valley Highway
2.1 mi
2m
Main Street
1 mi
1m
Thornton Parkway
0.9 mi
1m
I 70 Business
0.4 mi
1m
Dorothy Boulevard
0.2 mi
<1m
H Avenue
<0.1 mi
<1m
Longest stretch:
Dwight D. Eisenhower Highway
— 79.7 mi, about 1h 22m
Turn-by-Turn Driving Directions
Step-by-step road directions between Limon, CO and Thornton, CO.
1
Start on H Avenue
319 ft·16 sec·H Avenue
2
Turn right onto I 70 Business; US 24; US 40; US 287; CO 71
1.0 mi·1 min·Main Street
3
Turn right onto I 70 Business; US 40; US 287
0.4 mi·1 min·I 70 Business; US 40; US 287
Use the straight lane.
4
Take the exit
0.3 mi·40 sec
Toward I 70 West
5
Merge onto I 70
73 mi·1 hr 13 min·Dwight D. Eisenhower Highway
Use the straight lane.
6
Continue on I 70
3.4 mi·4 min·Tuskegee Airmen Memorial Highway
Use the straight / slight right lanes.
7
Keep slight right at fork onto I 70
2.8 mi·3 min·Tuskegee Airmen Memorial Highway
Use the straight lane.
8
Keep slight right at fork onto I 270
6.6 mi·8 min·Dwight D. Eisenhower Highway
Exit 279AToward I 270 West: BoulderUse the straight / slight right lanes.
9
Take the exit
0.3 mi·41 sec
Toward I 25 North: Fort CollinsUse the slight right lane.
10
Merge onto I 25
0.8 mi·1 min·North Valley Highway
11
Keep slight right at fork onto I 25
1.3 mi·1 min·North Valley Highway
Use the slight right lane.
12
Take the exit
0.4 mi·43 sec
Exit 220Toward Thornton ParkwayUse the slight right lane.
13
Turn right onto Thornton Parkway
0.9 mi·1 min·Thornton Parkway
Use the left / straight / right lanes.
14
Turn right onto Dorothy Boulevard
0.2 mi·51 sec·Dorothy Boulevard
Use the right lane.
15
Turn right
116 ft·8 sec
16
Arrive at destination
Trip Plan
Given the relatively short 1 hour 41-minute duration, this trip is easily manageable in a single day. You can afford to be flexible with your departure time, perhaps leaving mid-morning to avoid early rush hour. With 91.7 miles and a fuel cost estimated at $14, planning for one fuel stop might be prudent, though not strictly necessary. Pay attention to navigation as you approach Thornton, as the 'turn-heavy' nature of the drive means you'll want to be mindful of upcoming turns to avoid missing your exit.
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 45.8 miles from Limon, CO, or about 47m into the drive.
The longest continuous stretch on this route runs about 79.7 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 21m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 45.8 miles or 47m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 1h 17m
Traffic, exits, and arrival timing usually matter more near Thornton, CO than in the middle of the route.
Before You Leave
+
Open the route before leaving Limon, CO so your first major turns are already loaded.
Day 1
Settle into the route from Limon, CO
This is one driving day of about 91.7 miles and 1h 41m.
Your first comfortable stop window is around 20 miles from Limon, CO.
This route can stay practical as a one-day drive if traffic stays reasonable.
The longest stretch is on Dwight D. Eisenhower Highway for about 79.7 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 13
5 decision points cluster between mile 1.5 and 90.1 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
1.5 mi into trip|~3m in
Take the exit toward I 70 West
Exit ramp - move to the correct lane early
Toward I 70 West
6
78.3 mi into trip|~1h 21m in|I 70 / Tuskegee Airmen Memorial Highway
Keep slight right at fork onto I 70 / Tuskegee Airmen Memorial Highway
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight lane.
8
81.1 mi into trip|~1h 24m in|I 270 / Dwight D. Eisenhower Highway
Keep slight right at fork onto I 270 / Dwight D. Eisenhower Highway toward I 270 West: Boulder
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Exit 279A
Toward I 270 West: Boulder
6
87.7 mi into trip|~1h 33m in
Take the exit toward I 25 North: Fort Collins
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Toward I 25 North: Fort Collins
7
90.1 mi into trip|~1h 37m 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
Fuel & Cost
Regular Gas
$13.82 one way
$27.63 round trip
$3.83/gal25.4 MPG avg32 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.05
$14.63
$29.26
premium
$4.39
$15.86
$31.73
diesel
$5.61
$20.25
$40.49
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$14
Meals
$25–$50
Total
$39–$64
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 32.1 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $10 in charging
· 0 stops
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
27.5
0
$9.63
$4.40
Efficient EV
22.9
0
$8.02
$3.67
EV Truck/SUV
36.7
0
$12.84
$5.87
Gas CO2
32 kg
EV CO2
11 kg (66% 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 20, 2026
Origin
Limon, CO
Late night
in Limon on Tuesday
Local time
2:45 AM
MDT
Current temp
57°F
Unavailable
Live forecast
Destination
Thornton, CO
Late night
in Thornton on Tuesday
Local time
2:45 AM
MDT
Current temp
36°F
Unavailable
Live forecast
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
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
21 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
1h 41m 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.
More Details
What kind of drive is this?
This route is characterized as a 'turn-heavy local drive,' suggesting you'll navigate through various local roads and potentially encounter more frequent turns than a typical interstate journey. While you'll spend time on major highways like the Dwight D. Eisenhower Highway, Tuskegee Airmen Memorial Highway, and North Valley Highway, the highway share is 100%, indicating these are likely the primary arteries. The longest uninterrupted stretch you'll experience is 79.7 miles on the Dwight D. Eisenhower Highway, offering a period of consistent travel before the route incorporates more local segments.
Only 1% 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: 79.7 mi on Dwight D. Eisenhower Highway.
How Hard Is This Drive?
10/10
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 1.5 miles in.
Driving Effort10/10
Demanding - stay alert through the decision-heavy sections
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 91.7 miles you will encounter 13 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: at 1.5 miles: Exit ramp - move to the correct lane early; at 78.3 miles (I 70 / Tuskegee Airmen Memorial Highway): Highway fork - watch signs carefully. Lane positioning matters here; at 81.1 miles (I 270 / Dwight D. Eisenhower Highway): Highway fork - watch signs carefully. Lane positioning matters here.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 1h 41m. Total distance: 91.7 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
1h 41m drive, comfortable solo distance.
Scenic Drive
Mostly surface roads route profile.
Frequently Asked Questions
The longest stretch is about 79.7 miles on Dwight D. Eisenhower Highway. 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 Thornton, CO 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 1.5 miles: Exit ramp - move to the correct lane early; at 78.3 miles (I 70 / Tuskegee Airmen Memorial Highway): Highway fork - watch signs carefully. Lane positioning matters here; at 81.1 miles (I 270 / Dwight D. Eisenhower Highway): Highway fork - watch signs carefully. Lane positioning matters here.
Yes. A round trip is manageable in a single day if you plan a break at Thornton, CO before heading back.
