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Trip from McKenzie, TN to Chattanooga, TN

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Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 21, 2026 · Editorial standards

Drive Time

4h 47m

Distance

253.2 mi

408 km

Drive Score

8/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$40

one way

EV Charging

Unknown

Best Time to Leave

Save up to 41 min
4 AM
4h 34m ★
6 AM
4h 48m
8 AM
5h 15m
10 AM
4h 57m
12 PM
4h 55m
3 PM
4h 59m
5 PM
5h 13m
8 PM
4h 40m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

human settlement in Tennessee, United States of America

McKenzie, TN

Wikimedia Commons

city in and county seat of Hamilton County, Tennessee, United States

Chattanooga, TN

Wikimedia Commons

Trip Overview

This 253.2-mile drive from McKenzie to Chattanooga, Tennessee, is a straightforward, highway-focused journey that can comfortably be completed in a single day, taking approximately 4 hours and 47 minutes. You'll primarily be on I-24 and I-40, with a short segment on Tennessee National Guard Parkway, making it a 97% highway experience. With an estimated fuel cost of $40, this route is an economical option for a quick trip within the Southeast region. It’s a practical option if you're looking to get from point A to point B efficiently, with the longest stretch of uninterrupted driving being 103.1 miles on I-24.

Trip Pace

Same-day drive is realistic

A same-day return is possible, but it will make for a full day on the road.

Break Rhythm

1 planned break

Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.

Midpoint

126.6 miles from McKenzie, TN

A natural place for your longest stop of the day , about 2h 25m into the drive .

Main Roads

Road Distance Duration
I 24 103.1 mi 1h 54m
I 40 68 mi 1h 12m
Tennessee National Guard Parkway 52.2 mi 55m
TN 22 18.5 mi 24m
SR 22 Bypass 2.1 mi 3m
Lexington Street 1.9 mi 3m
Veterans Drive North 1.5 mi 2m
Old McKenzie Road 1.2 mi 2m
Longest stretch: I 24 — 103.1 mi, about 1h 54m

Turn-by-Turn Driving Directions

Step-by-step road directions between McKenzie, TN and Chattanooga, TN.

1

Start on this road

77 ft · 10 sec · this road
2

Turn left onto SR 124

1.2 mi · 2 min · Cedar Street
3

Continue on SR 124

1.2 mi · 2 min · Old McKenzie Road
4

Turn right onto TN 22

6.6 mi · 7 min · TN 22
5

Continue on SR 22 Business

390 ft · 9 sec · SR 22 Business
6

Turn right onto US 70A

1.5 mi · 2 min · Veterans Drive North
7

Turn left onto SR 22 Bypass

2.1 mi · 3 min · SR 22 Bypass
8

Turn right onto Lexington Street

1.9 mi · 3 min · Lexington Street
9

Turn right onto TN 22

6.5 mi · 8 min · TN 22
10

Continue on SR 22; SR 424

0.2 mi · 21 sec · Lexington Clarksburg Road
11

Continue on TN 22

5.4 mi · 7 min · TN 22
12

Take the exit

0.2 mi · 25 sec
Toward Primary SR 22: Parkers Crossroad, Lexington, Huntingdon
13

Merge onto I 40

68 mi · 1 hr 12 min · I 40
14

Take the exit

0.7 mi · 1 min
Toward I 840 East: Knoxville, Franklin
15

Merge onto I 840

52 mi · 55 min · Tennessee National Guard Parkway
Use the straight / slight right lanes.
16

Take the exit

0.8 mi · 2 min
Exit 53A Toward I 24 East: Chattanooga Use the straight / slight right lanes.
17

Merge onto I 24

103 mi · 1 hr 54 min · I 24
Use the straight / slight right lanes.
18

Take the exit

0.4 mi · 46 sec
Exit 184B Toward US 27 North: Downtown Chattanooga
19

Continue on US 27

0.7 mi · 59 sec · US 27
20

Take the exit

0.2 mi · 25 sec
Exit 1B Toward Downtown
21

Turn right onto West Martin Luther King Boulevard

0.2 mi · 29 sec · West Martin Luther King Boulevard
Use the left / straight / right lanes.
22

Arrive at destination

TN 8

Trip Plan

For this 4-hour and 47-minute drive, starting early is recommended to maximize daylight and avoid potential afternoon traffic, especially as you approach Chattanooga. With only one recommended stop, plan your breaks strategically. Since 103.1 miles of this journey are on I-24 without interruption, ensure you have adequate fuel before embarking on that segment. The $40 fuel cost suggests a moderate expense, so check your tank level before departing McKenzie. This efficient, highway-centric route allows for flexibility, but keeping an eye on your fuel gauge is key for a smooth trip.

Morning Departure

An early start around 7-8 AM gets you there with plenty of daylight left.

Evening Departure

A late afternoon start means arriving after dark. Morning is better.

You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 126.6 miles from McKenzie, TN, or about 2h 25m into the drive.
The longest continuous stretch on this route runs about 103.1 miles.

This is a comfortable same-day trip.

Departure

Before you leave

Start with fuel, water, and navigation already sorted so the first hour feels easy.

First stop

Around 56 miles or 1h 9m in

Use this first pause for coffee, a restroom break, and a quick traffic check ahead.

Halfway reset

Around 126.6 miles or 2h 25m in

This is the best place for your longest stop, a real meal, and a full fuel check.

Final approach

Final hour starts around 3h 56m

Traffic, exits, and arrival timing usually matter more near Chattanooga, TN than in the middle of the route.

Before You Leave

+

Open the route before leaving McKenzie, TN so your first major turns are already loaded.

+

Leave with enough water and a charging cable within reach, not packed away.

+

Check your fuel range against the first long segment, especially if you are starting outside city service areas.

Day 1

Settle into the route from McKenzie, TN

This is one driving day of about 253.2 miles and 4h 47m.

Your first comfortable stop window is around 56 miles from McKenzie, TN.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on I 24 for about 103.1 miles.

Where to Stop

Rest stops, refuel points, and overnight suggestions along this route.

city and county seat of Williamson County, Tennessee, United States

Mid-route town

Meal stop

Franklin, TN

127 mi into the route

Best for: Lunch, fuel, and a longer reset

This sits close to the middle of the route, so it works well for the longest stop of the day.

Pacing Suggestions

Hohenwald, TN

Fuel and coffee

A short stop after about 56 miles helps settle the day before fatigue starts building.

Franklin, TN

Meal break

The midpoint is around 126.6 miles from McKenzie, TN, which is a good place for a longer meal and fuel stop.

Before the longest stretch

Fuel check

Top up before I 24 if your tank is already low. That segment runs about 103.1 miles.

These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.

Stops Along Your Drive

Picked by where they fit in your drive — first break, midpoint reset, final stretch.

Chattanooga Whiskey Experimental Distillery

4.9 ★ ★ ★ ★ ★

Near the end, right off the route

Home stretch 0.6 mi from route ~1 min detour

Chattanooga, Tennessee

Hours: 11 am–8 pm

+14237604333

Visit website

Renaissance Park

4.7 ★ ★ ★ ★ ★

Near the end, short detour

Home stretch 1.1 mi from route ~3 min detour

Chattanooga, Tennessee

Hours: 6 am–11 pm

+14236436096

Place data sourced from public business listings. Hours and availability may vary.

Heads-up: tricky spots

5 of 13

5 decision points cluster between mile 26.7 and 253.1 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.

7
26.7 mi into trip | ~37m in

Take the exit toward Primary SR 22: Parkers Crossroad, Lexington, Huntingdon

Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one

Toward Primary SR 22: Parkers Crossroad, Lexing...
5
94.9 mi into trip | ~1h 51m in

Take the exit toward I 840 East: Knoxville, Franklin

Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one

Toward I 840 East: Knoxville, Franklin
5
95.6 mi into trip | ~1h 52m in | I 840 / Tennessee National Guard Parkway

Merge onto I 840 / Tennessee National Guard Parkway

Merge point - match speed before joining. Lane positioning matters here

Use the straight / slight right lanes.
7
147.8 mi into trip | ~2h 48m in

Take the exit toward I 24 East: Chattanooga

Exit ramp - move to the correct lane early. Lane positioning matters here

Use the straight / slight right lanes. Exit 53A Toward I 24 East: Chattanooga
6
253.1 mi into trip | ~4h 47m in | West Martin Luther King Boulevard

Turn right onto West Martin Luther King Boulevard

Lane positioning matters here

Use the left / straight / right lanes.

Fuel & Cost

Regular Gas

$39.58 one way

$79.17 round trip

$3.97/gal 25.4 MPG avg 89 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.36 $43.46 $86.93
premium $4.89 $48.73 $97.45
diesel $5.61 $55.90 $111.81

No toll roads detected on this route.

Estimated Trip Cost (one way, 1 person)

Fuel

$40

Meals

$25–$50

Total

$65–$90

Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.

Estimated CO2 emission: 88.6 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $27 in charging · 0 stops · 66% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 76 0 $26.59 $12.15
Efficient EV 63.3 0 $22.15 $10.13
EV Truck/SUV 101.3 1 $35.45 $16.20

Gas CO2

89 kg

EV CO2

30 kg (66% less)

Plan for 0 charging stops, roughly every 270 miles. Allow 25-40 minutes per stop at a DC fast charger.

DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.

Travel Intel

Current conditions at both ends of the drive.

Forecast as of Apr 20, 2026

Origin

McKenzie, TN

Late night in McKenzie on Tuesday

Local time

4:14 AM

CDT

Current temp

76°F

Unavailable

Live forecast

Destination

Chattanooga, TN

Late night in Chattanooga on Tuesday

Local time

5:14 AM

EDT

Current temp

77°F

Unavailable

Live forecast

Seasonal Notes

Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.

Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.

Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.

Time zone

1 hour later

The destination clock does not match departure time, so double-check hotel check-in windows and late arrival plans.

Temperature spread

1 degrees warmer at arrival

A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.

Road read

4h 47m on the road

An early start around 7-8 AM gets you there with plenty of daylight left.

Weather data from the National Weather Service. Conditions may change; check closer to your travel date.

What kind of drive is this?

Expect a predominantly highway-focused drive for 97% of this trip, designed for efficient travel. The main arteries, I-24 and I-40, will carry you for the majority of the 253.2 miles. You'll encounter a significant uninterrupted stretch of 103.1 miles on I-24, so be prepared for sustained highway speeds. While the route prioritizes speed, the transition onto Tennessee National Guard Parkway offers a brief change in scenery before you rejoin the interstates. This drive's personality is one of steady progress across the Tennessee landscape.

97% highway — fuel and pacing are the main things to plan.
22 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 103.1 mi on I 24.

How Hard Is This Drive?

5/10

This is a straightforward highway drive that stays mostly on I 24 and I 40. You will hit about 13 points where you need to pay attention to lane position or signs. The trickiest moment comes around 26.7 miles in.

Driving Effort 5/10

Moderate - straightforward overall, but long enough or busy enough to require pacing

Balances navigation complexity with total wheel time.

This drive requires moderate attention. Across 253.2 miles you will encounter 13 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.

Where does it get tricky?

The main spots that need attention: at 26.7 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 94.9 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 95.6 miles (I 840 / Tennessee National Guard Parkway): Merge point - match speed before joining. Lane positioning matters here.

Towns Mentioned on Route Signs

Based on OSRM destination-sign hints, not a full list of every settlement the road passes.

Between McKenzie, TN and Chattanooga, TN, road signs point toward Primary Sr 22: Parkers Crossroad, Lexington, Huntingdon and Franklin.

Primary Sr 22: Parkers Crossroad

26.7 mi in | ~37m

Lexington

26.7 mi in | ~37m

Huntingdon

26.7 mi in | ~37m

Franklin

94.9 mi in | ~1h 51m

About the Cities

Arriving in Chattanooga, TN

Full guide →

Founded 1839

Chattanooga is the 4th largest city in Tennessee. It is the seat of Hamilton County. It is in Southeast Tennessee on the Tennessee River and near the border of Georgia. It was immortalized in the popular 1941 song "Chattanooga Choo Choo", made famous by Glenn Miller.

Top landmarks

  • Delta Queen — paddle steamer launched in 1926
  • Hunter Museum of American Art — art museum in Chattanooga, Tennessee
  • Saints Peter and Paul Basilica — historic church in Tennessee, United States

City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 4h 47m. Total distance: 253.2 miles.

Family Friendly

Moderate complexity with 1 natural rest stops along the way.

Solo Traveler

4h 47m drive, comfortable solo distance.

First-Time Driver

Mostly highway driving (97%). Some complex stretches to watch for.

Frequently Asked Questions

The longest stretch is about 103.1 miles on I 24. The full list of main roads is in the Roads section above.

We did not find dedicated rest areas on this route. For a drive this long, plan bathroom and stretch breaks around gas stations, fast-food stops, or small-town downtowns — check the Nearby Places section for options.

Yes, with realistic expectations. Build in a stop roughly every 2 hours, have snacks and activities ready, and check the Nearby Places tabs for kid-friendly stops along the way.

The main spots that need attention: at 26.7 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 94.9 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 95.6 miles (I 840 / Tennessee National Guard Parkway): Merge point - match speed before joining. Lane positioning matters here.

Possible but tiring. At 4.8 hours each way, an in-and-out day trip would put you behind the wheel for 9.6 hours — manageable with a long break at Chattanooga, TN, but most travelers stay overnight.

How this page is built

Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, and EIA for fuel prices. See our methodology for refresh cadence and limitations.

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