Origin
Chattanooga, TN
Afternoon in Chattanooga on Thursday
Local time
2:25 PM
EDT
Current temp
75°F
Unavailable
Live forecast
Trip from Chattanooga, TN to Grant, TN
Last recalculated Apr 16, 2026
Drive Time
39m
Distance
23.5 mi
38 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$4
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 36m
★
6 AM
0h 39m
8 AM
0h 46m
10 AM
0h 41m
12 PM
0h 41m
3 PM
0h 42m
5 PM
0h 45m
8 PM
0h 37m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Chattanooga, TN
Wikimedia Commons
Grant, TN
Kelly
Trip Overview
This quick 23.5-mile drive from Chattanooga to Grant, Tennessee, is easily manageable in just 39 minutes, making it a perfect day trip. You'll spend about $4 on fuel for this journey, which primarily utilizes US 27 and Mowbray Pike before finishing on Grant Road. The route is focused on highway travel, offering a straightforward connection between these two points within the Southeast region. Given its short distance and duration, this trip doesn't require an overnight stay and allows for flexibility in your schedule.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 39m. Total distance: 23.5 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
39m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (64%). Straightforward navigation.
Drive Character
Expect a drive-focused experience, with 64% of the journey on highway segments. The longest uninterrupted stretch you'll encounter is about 15 miles along US 27. This route balances efficient highway travel with more local road sections as you approach Grant. The transition from the more open highway to the final approach on Grant Road offers a subtle shift in the driving environment.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 10 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
US 27 is the longest continuous segment at about 15 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on US 27 and Mowbray Pike. There are only a few real navigation decisions along the way. The trickiest moment comes early in the drive near TN 8 / West Martin Luther King Boulevard.
Driving Effort
3/10
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
This is a straightforward 39m drive. You will face about 6 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: near the start (TN 8 / West Martin Luther King Boulevard): Lane positioning matters here; at 0.9 miles (US 27): Merge point - match speed before joining; at 15.9 miles: Exit ramp - move to the correct lane early.
Critical Maneuvers
5 of 6 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
4
0 mi into trip
|
~0m in
|
TN 8 / West Martin Luther King Boulevard
Depart onto TN 8 / West Martin Luther King Boulevard
Lane positioning matters here
Use the straight / right lanes.
3
0.9 mi into trip
|
~2m in
|
US 27
Merge onto US 27
Merge point - match speed before joining
4
15.9 mi into trip
|
~19m in
Take the exit toward Harrison Lane
Exit ramp - move to the correct lane early
Toward Harrison Lane
4
16.2 mi into trip
|
~20m in
|
Harrison Lane
Turn left onto Harrison Lane
Navigation decision point
4
17.1 mi into trip
|
~22m in
|
Mountain Road
Turn left onto Mountain Road
Navigation decision point
Main Roads
| Road | Distance | Duration |
|---|---|---|
| US 27 | 15 mi | 17m |
| Mowbray Pike | 5 mi | 12m |
| Grant Road | 0.8 mi | 3m |
| Mountain Road | 0.6 mi | 1m |
| Dayton Pike | 0.5 mi | 1m |
| Harrison Lane | 0.4 mi | <1m |
| West Martin Luther King Boulevard | 0.2 mi | <1m |
Longest stretch:
US 27
— 15 mi, about 17m
Turn-by-Turn Driving Directions
Step-by-step road directions between Chattanooga, TN and Grant, TN.
1
Start on TN 8
0.2 mi
·
31 sec
·
West Martin Luther King Boulevard
Use the straight / right lanes.
2
Take the ramp
0.7 mi
·
1 min
3
Merge onto US 27
15 mi
·
17 min
·
US 27
4
Take the exit
0.3 mi
·
47 sec
Toward Harrison Lane
5
Turn left onto Harrison Lane
0.4 mi
·
58 sec
·
Harrison Lane
6
Turn right onto Dayton Pike
0.5 mi
·
1 min
·
Dayton Pike
7
Turn left onto Mountain Road
0.6 mi
·
1 min
·
Mountain Road
8
Continue on Mowbray Pike
5.0 mi
·
12 min
·
Mowbray Pike
9
Turn right onto Grant Road
0.8 mi
·
3 min
·
Grant Road
10
Arrive at destination
Grant Road
Fuel & Cost
Regular Gas
$3.67 one way
$7.35 round trip
$3.97/gal
25.4 MPG avg
8 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $4.03 | $8.07 |
| premium | $4.89 | $4.52 | $9.04 |
| diesel | $5.61 | $5.19 | $10.38 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$4
Estimated CO2 emission: 8.2 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $2 in charging · 0 stops · 63% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 7.1 | 0 | $2.47 | $1.13 |
| Efficient EV | 5.9 | 0 | $2.06 | $0.94 |
| EV Truck/SUV | 9.4 | 0 | $3.29 | $1.50 |
Gas CO2
8 kg
EV CO2
3 kg (63% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
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.
Destination
Grant, TN
Afternoon in Grant on Thursday
Local time
2:25 PM
EDT
Current temp
77°F
Unavailable
Live forecast
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
2 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
39m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from Chattanooga, TN to Grant, TN covers 23.5 miles and takes about 39m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are US 27, Mowbray Pike, Grant Road. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 11.8 miles from Chattanooga, TN. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $3.67 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.
This is a straightforward 39m drive. You will face about 6 decision points, but nothing that requires special attention if you follow navigation.
The main spots that need attention: near the start (TN 8 / West Martin Luther King Boulevard): Lane positioning matters here; at 0.9 miles (US 27): Merge point - match speed before joining; at 15.9 miles: Exit ramp - move to the correct lane early.
The route from Chattanooga, TN to Grant, TN does not surface many named destination signs beyond the main corridor.
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