Paonia to Thornton is 235.6 miles and takes about 5h 13m via I 70, CO 133, and CO 82, with a fuel budget near $36 and enough daylight to finish in a day. This drive connects the Mountain West region of Colorado to itself, offering a predominantly highway-focused experience. You'll spend most of your time on well-maintained roads designed for efficient travel, making it a straightforward trip. With a recommended single day for completion, this route is ideal for those looking to cover ground without extensive detours. Plan for a steady journey with minimal navigational complexity.
Trip Pace
Same-day drive is realistic
A same-day return is possible, but it will make for a full day on the road.
Break Rhythm
1 planned break
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
117.8 miles from Paonia, CO
A natural place for your longest stop of the day
, about 2h 54m into the drive
.
Main Roads
Road
Distance
Duration
I 70
153.2 mi
2h 57m
CO 133
58 mi
1h 35m
CO 82
9.9 mi
16m
Heartland Expressway
5.1 mi
5m
North Valley Highway
2.2 mi
2m
Midland Avenue
1.6 mi
2m
Grand Avenue
1 mi
2m
Thornton Parkway
0.9 mi
1m
Longest stretch:
I 70
— 153.2 mi, about 2h 57m
Turn-by-Turn Driving Directions
Step-by-step road directions between Paonia, CO and Thornton, CO.
1
Start on Orchard Avenue
53 ft·7 sec·Orchard Avenue
2
Turn left onto 3rd Street
0.3 mi·48 sec·3rd Street
3
Turn right onto Grand Avenue
0.8 mi·1 min·Grand Avenue
4
Turn right onto CO 133
57 mi·1 hr 33 min·CO 133
Use the straight lane.
5
Enter roundabout
95 ft·1 sec
6
Continue
463 ft·9 sec
7
Continue on CO 133
0.8 mi·1 min·CO 133
8
Continue on CO 133
0.1 mi·20 sec·CO 133
9
Turn left onto CO 82
9.9 mi·16 min·CO 82
Use the straight lane.
10
Turn left onto 27th Street
0.1 mi·14 sec·27th Street
Use the left lane.
11
Enter roundabout onto 27th Street
86 ft·1 sec·27th Street
12
Continue on 27th Street
0.1 mi·12 sec·27th Street
13
Enter roundabout onto Midland Avenue
13 ft·0 sec·Midland Avenue
14
Continue on Midland Avenue
1.6 mi·2 min·Midland Avenue
15
Turn right onto West 8th Street
0.4 mi·50 sec·West 8th Street
16
Turn left onto CO 82
0.2 mi·41 sec·Grand Avenue
17
Continue on CO 82
0.1 mi·38 sec·Laurel Street
18
Take the exit
0.2 mi·20 sec
19
Merge onto I 70
153 mi·2 hr 57 min·I 70
Use the straight lane.
20
Keep slight left at fork onto I 76
5.1 mi·5 min·Heartland Expressway
Exit 269BToward I 76 East: Fort MorganUse the left lane.
21
Take the exit
0.2 mi·20 sec
Exit 5Toward I 25: Fort Collins, Colorado SpringsUse the slight right lane.
22
Keep slight left at fork
1.4 mi·2 min
Toward I 25 North: Fort CollinsUse the slight left / slight right lanes.
23
Merge onto I 25
0.9 mi·1 min·North Valley Highway
24
Keep slight right at fork onto I 25
1.3 mi·1 min·North Valley Highway
Use the slight right lane.
25
Take the exit
0.4 mi·43 sec
Exit 220Toward Thornton ParkwayUse the slight right lane.
26
Turn right onto Thornton Parkway
0.9 mi·1 min·Thornton Parkway
Use the left / straight / right lanes.
27
Turn right onto Dorothy Boulevard
0.2 mi·51 sec·Dorothy Boulevard
Use the right lane.
28
Turn right
116 ft·8 sec
29
Arrive at destination
Trip Plan
Given the 5h 13m estimated duration, starting your drive from Paonia in the morning is advisable to ensure you arrive in Thornton with ample daylight. With only one recommended stop, you have flexibility in pacing; however, consider breaking up the longest stretch of 153.2 miles on I 70 for a brief rest. Keep an eye on your fuel gauge, especially as you transition onto I 70, as services can be more spread out on this highway section. The $36 fuel cost estimate can help you budget accordingly for this single-day adventure.
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 117.8 miles from Paonia, CO, or about 2h 54m into the drive.
The longest continuous stretch on this route runs about 153.2 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 52 miles or 1h 26m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 117.8 miles or 2h 54m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 4h 21m
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 Paonia, CO so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Paonia, CO
This is one driving day of about 235.6 miles and 5h 13m.
Your first comfortable stop window is around 52 miles from Paonia, CO.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on I 70 for about 153.2 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 21
5 decision points cluster between mile 69.2 and 234 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
69.2 mi into trip|~1h 55m in|27th Street
Enter roundabout onto 27th Street
Roundabout - know your exit number before entering
8
225.1 mi into trip|~4h 58m in|I 76 / Heartland Expressway
Keep slight left at fork onto I 76 / Heartland Expressway toward I 76 East: Fort Morgan
Highway fork - watch signs carefully. Lane positioning matters here
Use the left lane.
Exit 269B
Toward I 76 East: Fort Morgan
8
230.2 mi into trip|~5h 4m in
Take the exit toward I 25: Fort Collins, Colorado Springs
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 5
Toward I 25: Fort Collins, Colorado Springs
7
230.4 mi into trip|~5h 4m in
Keep slight left at fork toward I 25 North: Fort Collins
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight left / slight right lanes.
Toward I 25 North: Fort Collins
7
234 mi into trip|~5h 10m 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
$35.50 one way
$71.00 round trip
$3.83/gal25.4 MPG avg82 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.05
$37.58
$75.17
premium
$4.39
$40.76
$81.51
diesel
$5.61
$52.02
$104.04
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$36
Meals
$25–$50
Total
$61–$86
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 82.4 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $25 in charging
· 0 stops
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
70.7
0
$24.74
$11.31
Efficient EV
58.9
0
$20.62
$9.42
EV Truck/SUV
94.2
1
$32.98
$15.08
Gas CO2
82 kg
EV CO2
28 kg (66% less)
Plan for 0 charging stops, roughly every 270 miles. Allow 25-40 minutes per stop at a DC fast charger.
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 21, 2026
Origin
Paonia, CO
Late night
in Paonia on Tuesday
Local time
2:07 AM
MDT
Current temp
64°F
Unavailable
Live forecast
Destination
Thornton, CO
Late night
in Thornton on Tuesday
Local time
2:07 AM
MDT
Current temp
36°F
Unavailable
Live forecast
30°F
Eagle, CO
118 mi in
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
28 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
5h 13m on the road
An early start around 7-8 AM gets you there with plenty of daylight left.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
National Parks Near This Route
Worth a detour if your schedule allows.
Black Canyon Of The Gunnison National Park
National Park
Big enough to be overwhelming, yet still intimate enough to feel the pulse of time. Come see some of the steepest cliffs, oldest rock, and craggiest spires in North America. Forces of nature and the G...
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
This drive is overwhelmingly a highway-focused experience, with 96% of the journey utilizing major roads like I 70, CO 133, and CO 82. You'll encounter a significant uninterrupted stretch of 153.2 miles on I 70, which allows for consistent speed and progress. The character of the route is one of steady movement, largely free from the complexities of winding local roads or frequent town slowdowns. Expect a predictable driving rhythm for the majority of your trip, facilitating a smooth transition from start to finish.
96% highway — fuel and pacing are the main things to plan.
29 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 153.2 mi on I 70.
How Hard Is This Drive?
9/10
This is a straightforward highway drive that stays mostly on I 70 and CO 133. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 69.2 miles in near 27th Street.
Driving Effort9/10
High effort - long or complex enough to need steady focus all day
Balances navigation complexity with total wheel time.
This is a demanding drive. With 21 significant decision points across 235.6 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: at 69.2 miles (27th Street): Roundabout - know your exit number before entering; at 225.1 miles (I 76 / Heartland Expressway): Highway fork - watch signs carefully. Lane positioning matters here; at 230.2 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 5h 13m. Total distance: 235.6 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
5h 13m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (96%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 153.2 miles on I 70. The full list of main roads is in the Roads section above.
We did not find dedicated rest areas on this route. For a drive this long, plan bathroom and stretch breaks around gas stations, fast-food stops, or small-town downtowns — check the Nearby Places section for options.
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.
Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 1 meaningful breaks. Dedicated rest areas are limited, so plan gas or food stops as your bathroom breaks.
The main spots that need attention: at 69.2 miles (27th Street): Roundabout - know your exit number before entering; at 225.1 miles (I 76 / Heartland Expressway): Highway fork - watch signs carefully. Lane positioning matters here; at 230.2 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Yes — Black Canyon Of The Gunnison National Park. See the National Parks section for detour distances and tips on detours.
Not recommended in a single day. At 5.2 hours each way, a round trip means 10.5 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Thornton, CO before the return drive.
