How far is Hamilton, AL from Decatur, IL?
The driving distance from Hamilton, AL to Decatur, IL is about 474 miles (762.9 km), with a travel time of about 09h 29m by car.
- The straight-line flight distance is about 397.3 miles (639.4 km).
- For a round trip, plan for roughly 18h 59m 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 09h 29m.
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.
3rd-class city in Graves County, Kentucky
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Slight Chance Showers And Thunderstorms then Partly Sunny
Driving Route Map
The map below follows the saved road route between Hamilton and Decatur.
Turn-by-Turn Driving Directions
Step-by-step road directions between Hamilton and Decatur.
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1
Start on Bexar Avenue West
4.8 mi · 8 min · Bexar Avenue West
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2
Take the ramp right toward I 22 West, US 78 West
1526 ft · 37 sec
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3
Merge slight left
38.7 mi · 41 min
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4
Take the exit slight right toward US 45:north: Corinth
2209 ft · 1 min
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5
Merge slight left
28.8 mi · 33 min
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6
Continue straight
33.8 mi · 42 min
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7
Turn left onto Marcus J Wright Memorial
37.6 mi · 49 min · Marcus J Wright Memorial
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8
Continue on South Highland Avenue
1 km · 57 sec · South Highland Avenue
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9
Turn right onto South Church Street
790 ft · 20 sec · South Church Street
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10
Turn left onto East Chester Street
11.6 mi · 16 min · East Chester Street
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11
Take the exit slight right
25.3 mi · 36 min
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12
Keep slight right
17.7 mi · 20 min
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13
Take the exit slight right
1298 ft · 32 sec
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14
Merge slight left
156 m · 6 sec
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15
Continue on Skyhawk Parkway
6.8 mi · 8 min · Skyhawk Parkway
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16
At the end of the road, turn left
6.1 mi · 8 min
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17
Continue on Broadway Street
1.1 mi · 2 min · Broadway Street
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18
Continue on Commercial Avenue
136 m · 11 sec · Commercial Avenue
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19
Turn right onto Lake Street
897 ft · 21 sec · Lake Street
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20
Turn right onto Mears Street
1083 ft · 27 sec · Mears Street
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21
Turn left onto Martin L King Jr Drive
1351 ft · 27 sec · Martin L King Jr Drive
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22
Continue on Mayfield Road
528 ft · 11 sec · Mayfield Road
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23
Turn left onto Fulgham Road
74 m · 5 sec · Fulgham Road
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24
Continue on Kentucky Avenue
2047 ft · 42 sec · Kentucky Avenue
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25
Take the ramp right
1546 ft · 38 sec
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26
Merge slight left
21.7 mi · 23 min
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27
Take the exit slight right toward US 45: Paducah, Mayfield
1410 ft · 29 sec
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28
Turn left
6.3 mi · 8 min
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29
Keep slight right
694 ft · 11 sec
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30
Keep slight right
14.3 mi · 19 min
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31
Turn left onto I-24 West: Saint Louis
2457 ft · 1 min
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32
Continue on I-24 West: Saint Louis
1141 ft · 28 sec
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33
Merge slight left
44.1 mi · 49 min
-
34
Keep slight left to continue on I 57 North: Chicago
1935 ft · 47 sec
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35
Merge slight left onto Ken Gray Expressway
51.7 mi · 56 min · Ken Gray Expressway
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36
Keep slight right to continue on Ken Gray Expressway
20.5 mi · 22 min · Ken Gray Expressway
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37
Take the exit slight right toward US 50: Salem, Sandoval
2199 ft · 54 sec
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38
Merge slight left onto West Main Street
2.4 mi · 3 min · West Main Street
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39
Continue on East Poplar Street
2.7 mi · 3 min · East Poplar Street
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40
Continue on Poplar
2.7 mi · 3 min · Poplar
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41
Turn right onto 150E
10.4 mi · 12 min · 150E
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42
Continue on 300E
13.5 mi · 15 min · 300E
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43
Turn left
2405 ft · 35 sec
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44
Turn right onto North Kennedy Boulevard
1.6 mi · 2 min · North Kennedy Boulevard
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45
Continue on County Road 875 East
11.1 mi · 13 min · County Road 875 East
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46
Continue on South Superior Street
15.1 mi · 17 min · South Superior Street
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47
Continue on County Road 2400 East
2 mi · 3 min · County Road 2400 East
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48
Continue on Fair Avenue
3070 ft · 2 min · Fair Avenue
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49
Continue on South Poplar Street
2138 ft · 32 sec · South Poplar Street
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50
Turn right onto East 1st Street
2150 ft · 1 min · East 1st Street
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51
Turn left onto Cedar Street
116 m · 5 sec · Cedar Street
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52
Turn right onto Jackson Street
2709 ft · 2 min · Jackson Street
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53
Continue on North 2600 East Road
1.6 km · 2 min · North 2600 East Road
-
54
Turn left
28.7 mi · 33 min
-
55
Take the exit slight right toward Decatur
2582 ft · 1 min
-
56
Keep slight right to continue on Decatur
44 m · 4 sec
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57
Turn straight onto South Business Route 51
2.6 mi · 4 min · South Business Route 51
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58
Continue on South Main Street
769 ft · 19 sec · South Main Street
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59
Continue on South Franklin Street
1.2 mi · 2 min · South Franklin Street
-
60
Turn left onto East Wood Street
155 m · 16 sec · East Wood Street
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61
Arrive at your destination
0 m · 1 sec · East Wood Street
Car Route Details
A richer read on the saved driving route between Hamilton and Decatur.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Ken Gray Expressway
Merge slight left onto Ken Gray Expressway
51.7 mi · 00h 56m
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.
Mostly Sunny leaving Hamilton and Slight Chance Showers And Thunderstorms then Partly 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 474 miles (762.9 km) and usually takes 09h 29m 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?
Mayfield is a useful midpoint, sitting about 237.2 miles from Hamilton and 236.8 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 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 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 $63.36 one way or $126.71 round trip. Estimated CO2 is about 148.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Hamilton and Slight Chance Showers And Thunderstorms then Partly Sunny near Decatur.
Stop Ideas Near Mayfield
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 Mayfield.
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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: 763 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 15h 47m |
| 40 mph (64.37 km/h) | 11h 51m |
| 50 mph (80.47 km/h) | 09h 28m |
| 60 mph (96.56 km/h) | 07h 54m |
| 70 mph (112.65 km/h) | 06h 46m |
| 80 mph (129 km/h) | 05h 54m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $63.36 | $126.71 |
| Mid-grade | $4.26 | $71.25 | $142.51 |
| Premium | $4.63 | $77.38 | $154.75 |
| Diesel | $5.42 | $90.59 | $181.19 |
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 Alabama · Jun 28, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.