How far is Twin Falls, ID from Castleford, ID?
The driving distance from Twin Falls, ID to Castleford, ID is about 24.2 miles (38.9 km), with a travel time of about 00h 40m by car.
- The straight-line flight distance is about 20.9 miles (33.7 km).
- For a round trip, plan for roughly 01h 20m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM MDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
Flight Distance
Driving Distance
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 00h 40m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Twin Falls County, Idaho, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Clear
Sunny
Driving Route Map
The map below follows the saved road route between Twin Falls and Castleford.
Turn-by-Turn Driving Directions
Step-by-step road directions between Twin Falls and Castleford.
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1
Start on Shoshone Street East
3238 ft · 1 min · Shoshone Street East
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2
Turn right onto 2nd Avenue North
1 km · 60 sec · 2nd Avenue North
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3
Turn left onto Addison Avenue
2.9 mi · 5 min · Addison Avenue
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4
Continue on 3900 North
4.4 mi · 7 min · 3900 North
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5
Continue on East 3900 North
1.6 mi · 3 min · East 3900 North
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6
Turn left onto North 2000 East Road
2 mi · 3 min · North 2000 East Road
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7
Turn right onto East 3700 North
11 mi · 19 min · East 3700 North
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8
Turn left onto North 900 East
1.4 km · 2 min · North 900 East
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9
Continue on Lily Grade Road
630 ft · 13 sec · Lily Grade Road
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10
Arrive at your destination
0 m · 1 sec · Lily Grade Road
Car Route Details
A richer read on the saved driving route between Twin Falls and Castleford.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
East 3700 North
Turn right onto East 3700 North
11 mi · 00h 19m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Mostly Clear leaving Twin Falls and Sunny near Castleford.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Twin Falls to Castleford?
The road trip is about 24.2 miles (38.9 km) and usually takes 00h 40m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Filer is a useful midpoint, sitting about 12.1 miles from Twin Falls and 12.1 miles from Castleford.
How much longer is the road route than the straight-line distance?
The direct path is about 20.9 miles (33.7 km), while the road route adds roughly 3.3 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 7:00 AM to 7:00 PM MDT. If you want a more comfortable same-day return, try to leave by 7:10 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.31 one way or $6.62 round trip. Estimated CO2 is about 7.6 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Clear around Twin Falls and Sunny near Castleford.
Stop Ideas Near Filer
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Filer.
Twin Falls, Idaho
Flight Path Map
This map shows the direct air route between Twin Falls and Castleford. Straight-line distance: 20.95 mi (33.72 km).
#1 Twin Falls
The most populous city in Twin Falls County, Idaho.
| Population | 50,197 |
| Coordinates | 42.5629700, -114.4608700 |
| Altitude | 1138 |
| Country | United States |
#2 Castleford
City in Twin Falls County, Idaho, United States
| Population | 250 |
| Coordinates | 42.5207400, -114.8683900 |
| Altitude | 1180 |
| Country | United States |
End: Castleford (-114.86839, 42.52074)
Estimated Travel Time
Distance: 39 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 48m |
| 40 mph (64.37 km/h) | 00h 36m |
| 50 mph (80.47 km/h) | 00h 29m |
| 60 mph (96.56 km/h) | 00h 24m |
| 70 mph (112.65 km/h) | 00h 20m |
| 80 mph (129 km/h) | 00h 18m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $3.31 | $6.62 |
| Mid-grade | $4.23 | $3.60 | $7.19 |
| Premium | $4.55 | $3.87 | $7.73 |
| Diesel | $5.41 | $4.60 | $9.20 |
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 · Jun 10, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.