Origin
Spring Hill, TN
Morning in Spring Hill on Sunday
Local time
11:12 AM
EDT
Current temp
49°F
Unavailable
Live forecast
Trip from Spring Hill, TN to Union, TN
Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards
Drive Time
2h 1m
Distance
91.1 mi
147 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$14
one way
EV Charging
Unknown
Best Time to Leave
4 AM
1h 53m
★
6 AM
2h 1m
8 AM
2h 19m
10 AM
2h 8m
12 PM
2h 6m
3 PM
2h 8m
5 PM
2h 18m
8 PM
1h 56m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Spring Hill, TN
Wikimedia Commons
Union, TN
Soundarapandian MS
Trip Overview
Spring Hill, TN to Union, TN is 91.1 miles and takes about 2h 1m via I-75 and I-40, with a fuel budget near $14 and enough daylight to finish in a day. This straightforward trip stays within Tennessee, making it a convenient option for a single-day journey. You'll primarily be on interstate highways, so expect a consistent pace for most of the drive. With a total duration of just over two hours, this route is ideal for a quick transit between these two points in the Southeast region. Consider this if you need an efficient way to cover this distance without significant detours.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Midpoint
45.6 miles from Spring Hill, TN
A natural place for your longest stop of the day , about 1h 1m into the drive .
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 75 | 59.9 mi | 1h 4m |
| Spring Place Road Southeast | 8.4 mi | 14m |
| I 40 | 6.1 mi | 7m |
| Lovell Road | 3.9 mi | 7m |
| 25th Street Northwest | 3.5 mi | 5m |
| Mehaffey Road | 1.4 mi | 5m |
| Hughes Lake Road Southeast | 1.3 mi | 3m |
| Appalachian Highway | 1.2 mi | 1m |
Longest stretch:
I 75
— 59.9 mi, about 1h 4m
Turn-by-Turn Driving Directions
Step-by-step road directions between Spring Hill, TN and Union, TN.
1
Start on Gade Lane
40 ft
·
4 sec
·
Gade Lane
2
Turn right onto Mehaffey Road
1.1 mi
·
4 min
·
Mehaffey Road
3
Continue on Mehaffey Road
0.3 mi
·
1 min
·
Mehaffey Road
4
Continue on Copper Ridge Road
1.0 mi
·
3 min
·
Copper Ridge Road
5
At end of road, turn right onto SR 131
0.1 mi
·
13 sec
·
West Emory Road
6
Turn left onto SR 131
0.3 mi
·
36 sec
·
Beaver Ridge Road
7
Turn slight right onto SR 131
1.0 mi
·
1 min
·
Byington Beaver Ridge Road
8
Continue on SR 131
0.1 mi
·
16 sec
·
Byington Solway Road
9
Turn left onto SR 131
0.9 mi
·
1 min
·
Ball Camp Byington Road
10
At end of road, turn left onto SR 131
0.2 mi
·
27 sec
·
Ball Camp Byington Road
11
Continue on SR 131
0.2 mi
·
26 sec
·
Middlebrook Pike
12
Turn right onto SR 131
3.9 mi
·
7 min
·
Lovell Road
13
Take the ramp
0.4 mi
·
37 sec
Toward I 40 W, I 75 S: Nashville
14
Merge onto I 40; I 75
6.1 mi
·
7 min
·
I 40; I 75
Use the straight / slight right lanes.
15
Keep slight left at fork onto I 75
60 mi
·
1 hr 4 min
·
I 75
Toward I 75 South: Chattanooga
16
Take the exit
0.2 mi
·
27 sec
Toward SR 60: Cleveland, Dayton
17
Turn right onto TN 60
0.2 mi
·
20 sec
·
Georgetown Road Northwest
18
Continue on TN 60
0.1 mi
·
12 sec
·
25th Street Northwest
19
Continue on TN 60
0.6 mi
·
59 sec
·
25th Street NW
20
Continue on TN 60
3.4 mi
·
5 min
·
25th Street Northwest
21
Continue on US 74; US 64 Bypass; TN 60
1.2 mi
·
1 min
·
Appalachian Highway
22
Take the exit
0.2 mi
·
22 sec
23
Keep slight left at fork
98 ft
·
7 sec
24
Turn left onto SR 74
8.4 mi
·
14 min
·
Spring Place Road Southeast
25
Turn slight right onto Hughes Lake Road Southeast
1.3 mi
·
3 min
·
Hughes Lake Road Southeast
26
Arrive at destination
Hughes Lake Road Southeast
Trip Plan
Given the short 2h 1m duration, you have a lot of flexibility with your departure time. Leaving in the morning will have you arriving in Union with plenty of daylight remaining. The fuel cost is estimated at $14, so ensure you have adequate fuel before embarking, though stops for refueling should be readily available along I-75. Since there are no designated stops in the data, plan for your own breaks as needed. A practical tip for this route is to monitor traffic on I-40 as you approach your destination, as it can sometimes experience congestion, especially during peak hours.
Morning Departure
Leave by 9 AM and you'll arrive before lunch.
Evening Departure
Even a 4 PM departure gets you there before dark in summer.
You can normally do this drive in one day.
You may only need one short stretch break if traffic stays light.
The halfway point lands around 45.6 miles from Spring Hill, TN, or about 1h 1m into the drive.
The longest continuous stretch on this route runs about 59.9 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 20 miles or 34m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 45.6 miles or 1h 1m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 1h 33m
Traffic, exits, and arrival timing usually matter more near Union, TN than in the middle of the route.
Before You Leave
+
Open the route before leaving Spring Hill, 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 Spring Hill, TN
This is one driving day of about 91.1 miles and 2h 1m.
Your first comfortable stop window is around 20 miles from Spring Hill, TN.
This route can stay practical as a one-day drive if traffic stays reasonable.
The longest stretch is on I 75 for about 59.9 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Mid-route town
Meal stop
46 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
Fuel and coffee
A short stop after about 20 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 45.6 miles from Spring Hill, TN, which is a good place for a longer meal and fuel stop.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Heads-up: tricky spots
5 of 145 decision points cluster between mile 9.5 and 81.3 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
5
9.5 mi into trip
|
~22m in
|
I 40; I 75
Merge onto I 40; I 75
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
5
15.6 mi into trip
|
~29m in
|
I 75
Keep slight left at fork onto I 75 toward I 75 South: Chattanooga
Highway fork - watch signs carefully
Toward I 75 South: Chattanooga
5
75.5 mi into trip
|
~1h 33m in
Take the exit toward SR 60: Cleveland, Dayton
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Toward SR 60: Cleveland, Dayton
5
75.7 mi into trip
|
~1h 34m in
|
TN 60 / Georgetown Road Northwest
Turn right onto TN 60 / Georgetown Road Northwest
Navigation decision point
5
81.3 mi into trip
|
~1h 43m in
Keep slight left at fork
Highway fork - watch signs carefully
Fuel & Cost
Regular Gas
$14.24 one way
$28.48 round trip
$3.97/gal
25.4 MPG avg
32 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $15.64 | $31.28 |
| premium | $4.89 | $17.53 | $35.06 |
| diesel | $5.61 | $20.11 | $40.23 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$14
Meals
$25–$50
Total
$39–$64
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 31.9 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $10 in charging · 0 stops · 66% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 27.3 | 0 | $9.57 | $4.37 |
| Efficient EV | 22.8 | 0 | $7.97 | $3.64 |
| EV Truck/SUV | 36.4 | 0 | $12.75 | $5.83 |
Gas CO2
32 kg
EV CO2
11 kg (66% 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
Union, TN
Morning in Union on Sunday
Local time
11:12 AM
EDT
Current temp
78°F
Unavailable
Live forecast
47°F
Luttrell, TN
46 mi in
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
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
29 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
2h 1m 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.
What kind of drive is this?
This is a highway-focused drive, with 72% of the route utilizing major interstates. You'll spend a good portion of your time on I-75, including a significant stretch of 59.9 miles without interruption. This means you can maintain a steady speed for extended periods. While the primary roads are interstate, the journey includes segments on local roads like Spring Place Road Southeast, offering a slight change of pace before you rejoin the faster highway. Expect a functional and direct driving experience for the majority of this 91.1-mile trip.
72% highway — fuel and pacing are the main things to plan.
26 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 59.9 mi on I 75.
How Hard Is This Drive?
5/10
This is a straightforward highway drive that stays mostly on I 75 and Spring Place Road Southeast. You will hit about 14 points where you need to pay attention to lane position or signs. The trickiest moment comes around 9.5 miles in near I 40; I 75.
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 91.1 miles you will encounter 14 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 9.5 miles (I 40; I 75): Merge point - match speed before joining. Lane positioning matters here; at 15.6 miles (I 75): Highway fork - watch signs carefully; at 75.5 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Spring Hill, TN to Union, TN, road signs begin pointing toward Dayton along the way.
Dayton
75.5 mi in
|
~1h 33m
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 2h 1m. Total distance: 91.1 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
2h 1m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (72%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 59.9 miles on I 75. The full list of main roads is in the Roads section above.
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 9.5 miles (I 40; I 75): Merge point - match speed before joining. Lane positioning matters here; at 15.6 miles (I 75): Highway fork - watch signs carefully; at 75.5 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one.
Yes. A round trip is manageable in a single day if you plan a break at Union, 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, and EIA for fuel prices. See our methodology for refresh cadence and limitations.
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