How far is Hamilton, AL from Decatur, IL?
The estimated driving distance from Hamilton, AL to Decatur, IL is about 468.8 miles (754.4 km), with a travel time of about 08h 13m by car.
- This page is using an estimated road distance while the full route geometry is refreshed.
- The straight-line flight distance is about 397.3 miles (639.4 km).
- For a round trip, plan for roughly 16h 26m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM CDT.
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.
This drive is better planned with a longer stop or an overnight stay.
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 08h 13m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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.
Census-designated place in McCracken County, Kentucky
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
Road route is being refreshed. This page currently uses an estimated driving distance.
Turn-by-Turn Driving Directions
Step-by-step road directions between Hamilton and Decatur.
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Sunny leaving Hamilton and Sunny near Decatur.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Hamilton to Decatur?
The road trip is about 468.8 miles (754.4 km) and usually takes 08h 13m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Reidland is a useful midpoint, sitting about 198.7 miles from Hamilton and 270.2 miles from Decatur.
How much longer is the road route than the straight-line distance?
The direct path is about 397.3 miles (639.4 km), while the road route adds roughly 71.5 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 6:00 AM to 7:30 AM CDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $62.64 one way or $125.27 round trip. Estimated CO2 is about 147 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Hamilton and Sunny near Decatur.
Stop Ideas Near Reidland
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 Reidland.
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Flight Path Map
This map shows the direct air route between Hamilton and Decatur. Straight-line distance: 397.28 mi (639.36 km).
#1 Hamilton
City in Marion County, Alabama, United States
| Population | 6,645 |
| Coordinates | 34.1423200, -87.9886400 |
| Altitude | 149 |
| Country | United States |
#2 Decatur
The most populous city in Macon County, Illinois.
| Population | 70,007 |
| Coordinates | 39.8403100, -88.9548000 |
| Altitude | 205 |
| Country | United States |
End: Decatur (-88.9548, 39.84031)
Estimated Travel Time
Distance: 754 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 15h 37m |
| 40 mph (64.37 km/h) | 11h 43m |
| 50 mph (80.47 km/h) | 09h 22m |
| 60 mph (96.56 km/h) | 07h 48m |
| 70 mph (112.65 km/h) | 06h 41m |
| 80 mph (129 km/h) | 05h 50m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $62.64 | $125.27 |
| Mid-grade | $4.26 | $70.44 | $140.89 |
| Premium | $4.63 | $76.50 | $153.00 |
| Diesel | $5.42 | $89.56 | $179.13 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
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