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Trip from Chattanooga, TN to Grant, TN

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Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Jul 20, 2026 · Editorial standards

Drive Time

39m

Distance

23.5 mi

38 km

Drive Score

8/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$3

one way

EV Charging

Unknown

Best Time to Leave

Save up to 10 min
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.

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

Chattanooga, TN

Wikimedia Commons

Downtown Grant, TN, TN

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.

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

Heads-up: tricky spots

5 of 6

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.

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

Fuel & Cost

Regular Gas

$3.47 one way

$6.94 round trip

$3.75/gal 25.4 MPG avg 8 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.14 $3.83 $7.66
premium $4.72 $4.36 $8.73
diesel $4.80 $4.44 $8.87

No toll roads detected on this route.

Drive Cost (one way)

Fuel

$3

Estimated CO2 emission: 8.2 kg one way. Prices: EIA weekly data, 2026-07-13.

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.

Forecast as of Jul 1, 2026

Origin

Chattanooga, TN

Late night in Chattanooga on Monday

Local time

1:59 AM

EDT

Current temp

97°F

Sunny

0 mph 13% chance Live forecast

Extreme Heat Warning

Extreme Heat Warning issued July 1 at 5:46AM CDT until July 1 at 7:00PM CDT by NWS Huntsville AL

Heat Advisory

Heat Advisory issued July 1 at 5:46AM CDT until July 2 at 7:00PM CDT by NWS Huntsville AL

Destination

Grant, TN

Late night in Grant on Monday

Local time

1:59 AM

EDT

Current temp

94°F

Sunny

NE 0 to 5 mph 6% chance Live forecast

Extreme Heat Warning

Extreme Heat Warning issued July 1 at 5:46AM CDT until July 1 at 7:00PM CDT by NWS Huntsville AL

Heat Advisory

Heat Advisory issued July 1 at 5:46AM CDT until July 2 at 7:00PM CDT by NWS Huntsville AL

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

3 degrees cooler 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

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.

What kind of drive is this?

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.

64% highway — fuel and pacing are the main things to plan.
10 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 15 mi on US 27.

How Hard Is This Drive?

3/10

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.

Elevation Profile

Gently rolling terrain

1,752 ft 675 ft

Total Climb

1,352 ft

Total Descent

327 ft

Highest Point

1,752 ft

~20.2 mi in

Elevation Range

1,077 ft

About the Cities

Starting 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 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.

Frequently Asked Questions

The longest stretch is about 15 miles on US 27. The full list of main roads is in the Roads section above.

Yes — we found about 1 rest area or service plaza within a short detour of the route (from OpenStreetMap). See the Rest Stops tab under Nearby Places for locations and mile markers. Plan to stretch, use the bathroom, and top off fluids every 2–3 hours on longer drives.

Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.

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.

Yes. A round trip is manageable in a single day if you plan a break at Grant, TN before heading back.

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, EIA for fuel prices, and USGS 3DEP for elevation. See our methodology for refresh cadence and limitations.

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