How far is Franklin, ID from Coulam, ID?
The driving distance from Franklin, ID to Coulam, ID is about 20.8 miles (33.5 km), with a travel time of about 00h 34m by car.
- The straight-line flight distance is about 17.3 miles (27.9 km).
- For a round trip, plan for roughly 01h 08m 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 34m.
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 Franklin County, Idaho, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain And Snow Showers
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Franklin and Coulam.
Turn-by-Turn Driving Directions
Step-by-step road directions between Franklin and Coulam.
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1
Start on West 2nd South
658 ft · 15 sec · West 2nd South
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2
Turn left onto South State Street
18.4 mi · 25 min · South State Street
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3
Turn left onto West 7200 North
2.3 mi · 9 min · West 7200 North
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4
Arrive at your destination
0 m · 1 sec · North 4200 West
Car Route Details
A richer read on the saved driving route between Franklin and Coulam.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
South State Street
Turn left onto South State Street
18.4 mi · 00h 25m
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.
Rain And Snow Showers leaving Franklin and Chance Rain Showers near Coulam.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Franklin to Coulam?
The road trip is about 20.8 miles (33.5 km) and usually takes 00h 34m 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?
Preston is a useful midpoint, sitting about 10.4 miles from Franklin and 10.4 miles from Coulam.
How much longer is the road route than the straight-line distance?
The direct path is about 17.3 miles (27.9 km), while the road route adds roughly 3.5 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 7:22 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.84 one way or $5.68 round trip. Estimated CO2 is about 6.5 kg one way.
What should you check before leaving?
Before you leave, expect Rain And Snow Showers around Franklin and Chance Rain Showers near Coulam.
Stop Ideas Near Preston
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 Preston.
Ogden, Utah
Flight Path Map
This map shows the direct air route between Franklin and Coulam. Straight-line distance: 17.32 mi (27.87 km).
#1 Franklin
City in Franklin County, Idaho, United States
| Population | 835 |
| Coordinates | 42.0135400, -111.8071700 |
| Altitude | 1373 |
| Country | United States |
#2 Coulam
Coulam is a place in Idaho, United States.
| Population | 0 |
| Coordinates | 42.2274200, -111.9832900 |
| Altitude | 1448 |
| Country | United States |
End: Coulam (-111.98329, 42.22742)
Estimated Travel Time
Distance: 34 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 41m |
| 40 mph (64.37 km/h) | 00h 31m |
| 50 mph (80.47 km/h) | 00h 24m |
| 60 mph (96.56 km/h) | 00h 20m |
| 70 mph (112.65 km/h) | 00h 17m |
| 80 mph (129 km/h) | 00h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $2.84 | $5.68 |
| Mid-grade | $4.23 | $3.09 | $6.18 |
| Premium | $4.55 | $3.32 | $6.64 |
| Diesel | $5.41 | $3.95 | $7.90 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.