Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Oct 23, 2026 · Editorial standards
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
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
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.
| 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 |
Step-by-step road directions between Chattanooga, TN and Grant, TN.
Start on TN 8
Take the ramp
Merge onto US 27
Take the exit
Turn left onto Harrison Lane
Turn right onto Dayton Pike
Turn left onto Mountain Road
Continue on Mowbray Pike
Turn right onto Grant Road
Arrive at destination
5 decision points cluster between mile 0 and 17.1 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
Depart onto TN 8 / West Martin Luther King Boulevard
Lane positioning matters here
Merge onto US 27
Merge point - match speed before joining
Take the exit toward Harrison Lane
Exit ramp - move to the correct lane early
Turn left onto Harrison Lane
Navigation decision point
Turn left onto Mountain Road
Navigation decision point
Regular Gas
$3.92 one way
$7.84 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.62 | $4.28 | $8.55 |
| premium | $5.25 | $4.86 | $9.72 |
| diesel | $6.28 | $5.81 | $11.61 |
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, 2026-10-19.
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.
Current conditions at both ends of the drive.
Origin
Late night in Chattanooga on Friday
Local time
1:09 AM
EDT
Current temp
72°F
Chance Rain Showers
Destination
Late night in Grant on Friday
Local time
1:09 AM
EDT
Current temp
66°F
Chance Rain Showers
Time zone
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
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.
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.
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.
Gently rolling terrain
Total Climb
1,352 ft
Total Descent
327 ft
Highest Point
1,752 ft
~20.2 mi in
Elevation Range
1,077 ft
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
City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).
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.
Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, and USGS 3DEP for elevation. See our methodology for refresh cadence and limitations.
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Explore more options from Chattanooga, TN or browse trips ending in Grant, TN.
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