How far is Caldwell, ID from Ucon, ID?

The driving distance from Caldwell, ID to Ucon, ID is about 312.9 miles (503.5 km), with a travel time of about 05h 05m by car.

  • The straight-line flight distance is about 236.2 miles (380.2 km).
  • For a round trip, plan for roughly 10h 10m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM MDT.
Trip Tools

Reverse, save, or send this route

This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
312.84 mi
05h 05m
Flight
236.24 mi
380.19 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Caldwell.

Flight Distance

Direct air line
236.24 mi
Kilometers
380.19 km
Flight Time
00h 28m

Driving Distance

Road route
312.84 mi
Kilometers
503.46 km
Drive Time
05h 05m

Gas Cost Calculator

Leave and Arrive Planner

Pick a departure time to see your estimated arrival and same-day return window.

Drive time stays fixed at 05h 05m.

Arrival Snapshot
Arrive in Ucon
Thu, Apr 23, 3:20 AM MDT
Return by in Caldwell
Thu, Apr 23, 8:25 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Caldwell
2026-04-22T22:14
Arrive Ucon
Thu, Apr 23, 3:20 AM MDT
Route Timing
05h 05m
One way by road
Best Departure Window
6:00 AM to 8:00 AM MDT
Leave early for more breathing room
Arrive between
11:05 AM to 1:05 PM MDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
6:50 AM MDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Caldwell
9:00 PM MDT
Early departure recommended

You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Hansen
ID

City in Twin Falls County, Idaho, United States

From Caldwell
156.2 mi
02h 32m
To Ucon
156.6 mi
02h 32m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
54°F
Wednesday

Rain Showers

Starts
Wed, Apr 22 6:00 AM MDT
Wind
12 to 18 mph W
Destination
51°F
Wednesday

Showers And Thunderstorms

Starts
Wed, Apr 22 6:00 AM MDT
Wind
17 to 29 mph SSW

Driving Route Map

The map below follows the saved road route between Caldwell and Ucon.

Turn-by-Turn Driving Directions

Step-by-step road directions between Caldwell and Ucon.

  1. 1

    Start on the route

    28 m · 12 sec

  2. 2

    Turn left onto Cleveland Boulevard

    22 m · 4 sec · Cleveland Boulevard

  3. 3

    Turn right

    43 m · 13 sec

  4. 4

    Turn right

    46 m · 13 sec

  5. 5

    Turn right onto South 10th Avenue

    1.1 km · 2 min · South 10th Avenue

  6. 6

    Take the ramp slight right

    2822 ft · 1 min

  7. 7

    Merge slight left onto Vietnam Veterans Memorial Highway

    20.9 mi · 24 min · Vietnam Veterans Memorial Highway

  8. 8

    Keep slight right to continue on Vietnam Veterans Memorial Highway

    172.3 mi · 2 hr 43 min · Vietnam Veterans Memorial Highway

  9. 9

    Continue straight

    62.7 mi · 59 min

  10. 10

    Keep slight left to continue on Idaho Falls

    3046 ft · 40 sec

  11. 11

    Merge slight right

    46.3 mi · 44 min

  12. 12

    Take the exit slight right toward US 20 East, I 15: Rigby, West Yellowstone

    1434 ft · 35 sec

  13. 13

    Continue on Rigby Highway

    3.1 mi · 4 min · Rigby Highway

  14. 14

    Continue on Idaho Medal of Honor Highway

    4.2 mi · 4 min · Idaho Medal of Honor Highway

  15. 15

    Take the exit slight right toward ID 43: Ucon

    1749 ft · 47 sec

  16. 16

    Turn right onto East 105th North

    1853 ft · 37 sec · East 105th North

  17. 17

    Turn left onto North Yellowstone Highway

    2226 ft · 47 sec · North Yellowstone Highway

  18. 18

    Turn left

    17 m · 3 sec

  19. 19

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Caldwell and Ucon.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
19 steps
7 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
6.1 / 100 mi
Decision points by distance
Main Roads
Vietnam Veterans Memorial Highway
256 mi · 82%
Idaho Falls
46.9 mi · 15%
Idaho Medal of Honor Highway
4.18 mi · 1%
Rigby Highway
3.13 mi · 1%
South 10th Avenue
1.19 mi
North Yellowstone Highway
0.42 mi
Longest Stretch

Vietnam Veterans Memorial Highway

Keep slight right to continue on Vietnam Veterans Memorial Highway

172 mi · 02h 43m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A longer out-and-back drive

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

Drive Time
05h 05m
Long day trip
Same-Day Return
10h 10m
Round-trip wheel time
Road vs Air
+76.7 mi
236.2 mi direct line
Halfway Stop
Hansen
02h 32m from Caldwell
Leave By
6:50 AM MDT
Early departure recommended
Weather Watch

Rain Showers leaving Caldwell and Showers And Thunderstorms near Ucon.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Caldwell to Ucon?

The road trip is about 312.9 miles (503.5 km) and usually takes 05h 05m in normal driving conditions.

Is this a same-day trip or an overnight route?

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

What is the halfway point on this route?

Hansen is a useful midpoint, sitting about 156.2 miles from Caldwell and 156.6 miles from Ucon.

How much longer is the road route than the straight-line distance?

The direct path is about 236.2 miles (380.2 km), while the road route adds roughly 76.7 extra miles because roads do not follow the straight air line.

When is the best time to leave for this route?

A good departure window is usually 6:00 AM to 8:00 AM MDT. If you want a more comfortable same-day return, try to leave by 6:50 AM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $42.98 one way or $85.96 round trip. Estimated CO2 is about 98.1 kg one way.

What should you check before leaving?

Before you leave, expect Rain Showers around Caldwell and Showers And Thunderstorms near Ucon.

Stop Ideas Near Hansen

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Hansen, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Hansen.

BUS

Twin Falls, Idaho

14 mi away
1135 Blue Lakes Circle

Flight Path Map

This map shows the direct air route between Caldwell and Ucon. Straight-line distance: 236.24 mi (380.19 km).

Caldwell

#1 Caldwell

The most populous city in Canyon County, Idaho.

Population58,481
Coordinates43.6629400, -116.6873600
Altitude724
CountryUnited States
Photo coming soon

#2 Ucon

City in Bonneville County, Idaho, United States

Population1,161
Coordinates43.5963000, -111.9638600
Altitude1466
CountryUnited States
Start: Caldwell (-116.68736, 43.66294)
End: Ucon (-111.96386, 43.5963)

Estimated Travel Time

Distance: 503 km by road

SpeedTime
30 mph (48.3 km/h)10h 25m
40 mph (64.37 km/h)07h 49m
50 mph (80.47 km/h)06h 15m
60 mph (96.56 km/h)05h 12m
70 mph (112.65 km/h)04h 28m
80 mph (129 km/h)03h 54m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
11.04 gal
41.79 L · about $42.98
Round trip
$85.96
22.08 gal · 83.58 L
Estimated CO2
98.1 kg one way
Round trip: 196.2 kg / 433 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $42.98 $85.96
Mid-grade $4.23 $46.71 $93.42
Premium $4.55 $50.22 $100.44
Diesel $5.41 $59.75 $119.50

Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.

Prices in Idaho · Apr 23, 2026

There is no time difference between Caldwell and Ucon. The current time is 22:14:44.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.