How far is Caldwell, ID from Jerome, ID?

The driving distance from Caldwell, ID to Jerome, ID is about 139.7 miles (224.9 km), with a travel time of about 02h 20m by car.

  • The straight-line flight distance is about 127.1 miles (204.5 km).
  • For a round trip, plan for roughly 04h 40m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
Trip Tools

Reverse, save, or send this route

This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
139.73 mi
02h 20m
Flight
127.05 mi
204.46 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Caldwell.

Flight Distance

Direct air line
127.05 mi
Kilometers
204.46 km
Flight Time
00h 15m

Driving Distance

Road route
139.73 mi
Kilometers
224.88 km
Drive Time
02h 20m

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 02h 20m.

Arrival Snapshot
Arrive in Jerome
Tue, May 5, 3:31 AM MDT
Return by in Caldwell
Tue, May 5, 5:51 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Caldwell
2026-05-05T01:11
Arrive Jerome
Tue, May 5, 3:31 AM MDT
Route Timing
02h 20m
One way by road
Best Departure Window
8:00 AM to 10:00 AM MDT
Aim for a morning departure
Arrive between
10:20 AM to 12:20 PM MDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
1:50 PM MDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Caldwell
9:30 PM MDT
Morning start is best

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
Mountain Home
ID

City in Elmore, Idaho, United States

From Caldwell
69.8 mi
01h 10m
To Jerome
70 mi
01h 10m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
78°F
Tuesday

Sunny

Starts
Tue, May 5 6:00 AM MDT
Wind
5 to 10 mph NE
Destination
70°F
Tuesday

Mostly Sunny then Slight Chance Showers And Thunderstorms

Starts
Tue, May 5 6:00 AM MDT
Wind
8 to 20 mph ENE

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  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

    115.8 mi · 1 hr 50 min · Vietnam Veterans Memorial Highway

  9. 9

    Take the exit slight right toward ID 25: Jerome

    1193 ft · 32 sec

  10. 10

    Turn left onto West Road

    656 ft · 11 sec · West Road

  11. 11

    Continue on State Highway 25

    1094 ft · 19 sec · State Highway 25

  12. 12

    Continue on West Main Street

    1.2 mi · 2 min · West Main Street

  13. 13

    Arrive at your destination

    0 m · 1 sec · East Main Street

Car Route Details

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

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
13 steps
5 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
9.3 / 100 mi
Decision points by distance
Main Roads
Vietnam Veterans Memorial Highway
137 mi · 98%
South 10th Avenue
1.19 mi · 1%
West Main Street
1.16 mi · 1%
ID 25
0.23 mi
State Highway 25
0.21 mi
West Road
0.12 mi
Longest Stretch

Vietnam Veterans Memorial Highway

Keep slight right to continue on Vietnam Veterans Memorial Highway

116 mi · 01h 50m

Route Summary

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

Trip Read

A comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
02h 20m
Day trip friendly
Same-Day Return
04h 40m
Round-trip wheel time
Road vs Air
+12.6 mi
127.1 mi direct line
Halfway Stop
Mountain Home
01h 10m from Caldwell
Leave By
1:50 PM MDT
Morning start is best
Weather Watch

Sunny leaving Caldwell and Mostly Sunny then Slight Chance Showers And Thunderstorms near Jerome.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 139.7 miles (224.9 km) and usually takes 02h 20m in normal driving conditions.

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

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

Mountain Home is a useful midpoint, sitting about 69.8 miles from Caldwell and 70 miles from Jerome.

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

The direct path is about 127.1 miles (204.5 km), while the road route adds roughly 12.6 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 8:00 AM to 10:00 AM MDT. If you want a more comfortable same-day return, try to leave by 1:50 PM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $19.19 one way or $38.38 round trip. Estimated CO2 is about 43.8 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Caldwell and Mostly Sunny then Slight Chance Showers And Thunderstorms near Jerome.

Stop Ideas Near Mountain Home

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

Mid-route Guidance
Local place coverage is thin around Mountain Home, 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 Mountain Home.

BUS

Boise, Idaho

68 mi away
1212 West Bannock St.
BUS

Nampa, Idaho

86 mi away
3116 Garrity Blvd
BUS

Twin Falls, Idaho

118 mi away
1135 Blue Lakes Circle

Flight Path Map

This map shows the direct air route between Caldwell and Jerome. Straight-line distance: 127.05 mi (204.46 km).

Caldwell

#1 Caldwell

The most populous city in Canyon County, Idaho.

Population58,481
Coordinates43.6629400, -116.6873600
Altitude724
CountryUnited States
Jerome

#2 Jerome

City in Idaho, United States

Population11,994
Coordinates42.7240700, -114.5186500
Altitude1147
CountryUnited States
Start: Caldwell (-116.68736, 43.66294)
End: Jerome (-114.51865, 42.72407)

Estimated Travel Time

Distance: 225 km by road

SpeedTime
30 mph (48.3 km/h)04h 39m
40 mph (64.37 km/h)03h 29m
50 mph (80.47 km/h)02h 47m
60 mph (96.56 km/h)02h 19m
70 mph (112.65 km/h)01h 59m
80 mph (129 km/h)01h 44m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
4.93 gal
18.67 L · about $19.19
Round trip
$38.38
9.86 gal · 37.34 L
Estimated CO2
43.8 kg one way
Round trip: 87.6 kg / 193 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $19.19 $38.38
Mid-grade $4.23 $20.86 $41.72
Premium $4.55 $22.43 $44.85
Diesel $5.41 $26.68 $53.36

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 · May 05, 2026

There is no time difference between Caldwell and Jerome. The current time is 01:11:09.

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.