How far is Alamo, TN from Chattanooga, TN?
The driving distance from Alamo, TN to Chattanooga, TN is about 273.3 miles (439.9 km), with a travel time of about 04h 13m by car.
- The straight-line flight distance is about 220.4 miles (354.7 km).
- For a round trip, plan for roughly 08h 26m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 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 04h 13m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Town in Williamson County, Tennessee, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Alamo and Chattanooga.
Turn-by-Turn Driving Directions
Step-by-step road directions between Alamo and Chattanooga.
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1
Start on South Bells Street
2734 ft · 57 sec · South Bells Street
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2
Turn right onto West Lincoln Street
578 ft · 26 sec · West Lincoln Street
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3
Continue on Conley Road
2593 ft · 2 min · Conley Road
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4
Turn left
16.9 mi · 21 min
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5
Turn left onto I-40 East, US 412 East: Nashville
97.1 mi · 1 hr 45 min
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6
Take the exit slight right toward I 840 East: Knoxville, Franklin
1.1 km · 1 min
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7
Merge slight left onto Tennessee National Guard Parkway
52.2 mi · 56 min · Tennessee National Guard Parkway
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8
Take the exit slight right toward I 24 East: Chattanooga
1.3 km · 2 min
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9
Merge slight left
103.1 mi · 1 hr 55 min
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10
Take the exit slight right toward US 27 North: Downtown Chattanooga
2163 ft · 47 sec
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11
Continue straight
1.2 km · 60 sec
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12
Take the exit slight right toward Downtown
1123 ft · 26 sec
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13
Turn right onto West Martin Luther King Boulevard
897 ft · 30 sec · West Martin Luther King Boulevard
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14
Arrive at your destination
0 m · 1 sec · West Martin Luther King Boulevard
Car Route Details
A richer read on the saved driving route between Alamo and Chattanooga.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 24 East
Merge slight left
103 mi · 01h 55m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Chance Showers And Thunderstorms leaving Alamo and Showers And Thunderstorms near Chattanooga.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Alamo to Chattanooga?
The road trip is about 273.3 miles (439.9 km) and usually takes 04h 13m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Thompson's Station is a useful midpoint, sitting about 136.6 miles from Alamo and 136.7 miles from Chattanooga.
How much longer is the road route than the straight-line distance?
The direct path is about 220.4 miles (354.7 km), while the road route adds roughly 52.9 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 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 8:34 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $36.35 one way or $72.70 round trip. Estimated CO2 is about 85.7 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Alamo and Chattanooga, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Alamo and Showers And Thunderstorms near Chattanooga.
Stop Ideas Near Thompson's Station
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 Thompson's Station.
Nashville, TN
Clarksville, TN
Flight Path Map
This map shows the direct air route between Alamo and Chattanooga. Straight-line distance: 220.39 mi (354.68 km).
#1 Alamo
Human settlement in Crockett County, Tennessee, United States of America
| Population | 2,260 |
| Coordinates | 35.7847900, -89.1172900 |
| Altitude | 110 |
| Country | United States |
#2 Chattanooga
The fourth most populous city in Tennessee.
| Population | 184,742 |
| Coordinates | 35.0456300, -85.3096800 |
| Altitude | 206 |
| Country | United States |
End: West Martin Luther King Boulevard (-85.309688, 35.045753)
Estimated Travel Time
Distance: 440 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 06m |
| 40 mph (64.37 km/h) | 06h 50m |
| 50 mph (80.47 km/h) | 05h 28m |
| 60 mph (96.56 km/h) | 04h 33m |
| 70 mph (112.65 km/h) | 03h 54m |
| 80 mph (129 km/h) | 03h 24m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $36.35 | $72.70 |
| Mid-grade | $4.25 | $41.00 | $82.00 |
| Premium | $4.65 | $44.86 | $89.73 |
| Diesel | $5.30 | $51.13 | $102.26 |
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 Tennessee · Apr 25, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.