Origin
San Antonio, TX
Afternoon in San Antonio on Sunday
Local time
2:16 PM
CDT
Current temp
81°F
Unavailable
Live forecast
Trip from San Antonio, TX to Sundown, TX
Drive Time
7h 21m
Distance
410.5 mi
661 km
Drive Score
9/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$63
one way
San Antonio, TX
Wikimedia Commons
Trip Overview
If you are planning to head from San Antonio to Sundown, prepare for a substantial 410.5-mile journey across the Great Plains. Clocking in at approximately 7 hours and 21 minutes, this trek is best suited for a single, focused day of driving. You will navigate through local streets like West Market, Navarro, and San Pedro Avenue as you transition out of the city. With a fuel budget of about $61, it is a straightforward trip that requires careful planning to ensure you manage your time effectively. Since both locations are situated within the Great Plains, you can expect a consistent regional landscape throughout your travel.
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
2 planned breaks
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
205.3 miles from San Antonio, TX
A natural place for your longest stop of the day , about 3h 33m into the drive .
Drive Character
Expect a turn-heavy local drive rather than a mindless highway cruise, as this route features 0% highway share. Because you will be navigating local roads, your focus will remain firmly on the pavement rather than coasting at high speeds. This creates a more involved, technical driving experience compared to a standard interstate run. The personality of this trip is defined by its constant shifts and turns, demanding your full attention from start to finish. You should prepare for a steady, hands-on experience behind the wheel that spans the entire 410.5-mile distance.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 40 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
I 10 is the longest continuous segment at about 98.7 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on I 10 and US Highway 87 North. You will hit about 17 points where you need to pay attention to lane position or signs. The trickiest moment comes around 0.2 miles in near Navarro Street.
Route Complexity
5/10
Moderate - straightforward overall, but long enough or busy enough to require pacing
This drive requires moderate attention. Across 410.5 miles you will encounter 17 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 0.2 miles (Navarro Street): Lane positioning matters here; at 1.6 miles (West Cypress Street): Lane positioning matters here; at 3.1 miles: Multiple destination signs - pick the right one.
Critical Maneuvers
5 of 17 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
6
0.2 mi into trip
|
~0m in
|
Navarro Street
Turn left onto Navarro Street
Lane positioning matters here
Use the none lane.
5
1.6 mi into trip
|
~3m in
|
West Cypress Street
Turn left onto West Cypress Street
Lane positioning matters here
Use the left lane.
5
3.1 mi into trip
|
~5m in
Take the ramp toward I 10 West, US 87 North
Multiple destination signs - pick the right one
Toward I 10 West, US 87 North
6
16.1 mi into trip
|
~20m in
|
I 10; US 87
Keep slight right at fork onto I 10; US 87
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight left / none lanes.
6
114.7 mi into trip
|
~1h 58m in
|
US 83
Take the exit onto US 83 toward US 83 North, US 377: Junction, Menard
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Exit 456
Toward US 83 North, US 377: Junction, Menard
Towns Along This Route
On the drive from San Antonio, TX to Sundown, TX, road signs begin pointing toward Menard along the way.
Menard
114.7 mi in
|
~1h 58m
|
via US 83
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 10 | 98.7 mi | 1h 37m |
| US Highway 87 North | 75.3 mi | 1h 15m |
| West Broadway Street | 39.2 mi | 39m |
| North Main Street | 29.3 mi | 30m |
| Frisco Avenue | 21.5 mi | 23m |
| South US Highway 87 | 18.1 mi | 18m |
| US Highway 385 | 17.2 mi | 17m |
| US 87 | 15.8 mi | 16m |
Longest stretch:
I 10
— 98.7 mi, about 1h 37m
Turn-by-Turn Driving Directions
Step-by-step road directions between San Antonio, TX and Sundown, TX.
1
Start on Dolorosa Street
143 ft
·
4 sec
·
Dolorosa Street
2
Continue on West Market Street
0.2 mi
·
28 sec
·
West Market Street
3
Turn left onto Navarro Street
0.8 mi
·
1 min
·
Navarro Street
Use the none lane.
4
Enter roundabout onto San Pedro Avenue
85 ft
·
1 sec
·
San Pedro Avenue
5
Continue on San Pedro Avenue
0.5 mi
·
1 min
·
San Pedro Avenue
Use the none lane.
6
Turn left onto West Cypress Street
0.1 mi
·
10 sec
·
West Cypress Street
Use the left lane.
7
Turn straight onto East Fredericksburg Road
1.2 mi
·
2 min
·
East Fredericksburg Road
Use the none lane.
8
Turn right onto Interstate 10 West
0.1 mi
·
13 sec
·
Interstate 10 West
9
Take the ramp
0.1 mi
·
13 sec
Toward I 10 West, US 87 North
10
Merge onto I 10; US 87
13 mi
·
14 min
·
McDermott Freeway
Use the none / straight / slight right lanes.
11
Keep slight right at fork onto I 10; US 87
99 mi
·
1 hr 37 min
·
I 10; US 87
Use the straight / slight left / none lanes.
12
Take the exit onto US 83
0.3 mi
·
44 sec
·
US 83
Exit 456
Toward US 83 North, US 377: Junction, Menard
13
Turn right onto US 83; US 377
29 mi
·
30 min
·
North Main Street
Use the right lane.
14
Continue on US 83
21 mi
·
23 min
·
Frisco Avenue
15
Turn left onto US 87
39 mi
·
39 min
·
West Broadway Street
16
Continue on US 87; Loop 306
4.1 mi
·
5 min
·
South Bryant Boulevard
17
Continue on US 87; US 277
1.4 mi
·
2 min
·
South Koenigheim Street
18
Continue on US 87; US 277; US 67 Bus
4.3 mi
·
6 min
·
North Bryant Boulevard
19
Continue on US 87
23 mi
·
23 min
·
US Highway 87 North
Use the none lane.
20
Continue on US 87
16 mi
·
16 min
·
US 87
Use the none lane.
21
Turn straight onto US 87; TX 158; TX 163
52 mi
·
52 min
·
US Highway 87 North
22
Continue on US 87
15 mi
·
15 min
·
North US Highway 87
23
Continue on US 87
4.3 mi
·
4 min
·
William Crooker Highway
24
Continue on US 87
18 mi
·
18 min
·
South US Highway 87
25
Continue on US 87; US 180
1.3 mi
·
1 min
·
South Dallas Avenue
26
Continue on US 87; US 180
1.2 mi
·
1 min
·
South Lynn Avenue
27
Turn left onto US 180
0.7 mi
·
54 sec
·
North 4th Street
28
Turn right onto TX 137
1.2 mi
·
1 min
·
North Bryan Avenue
29
Continue on TX 137
15 mi
·
22 min
·
North State Highway 137
30
Continue on TX 137
2.4 mi
·
2 min
·
Brownfield Highway
31
Continue on TX 137
15 mi
·
14 min
·
Lamesa Highway
32
Continue on TX 137
1.0 mi
·
1 min
·
State Highway 137
33
Continue on TX 137
0.9 mi
·
1 min
·
Lamesa Highway
34
Turn left onto US 62; US 385; TX 137
0.2 mi
·
22 sec
·
Seagraves Road
35
Turn sharp right onto TX 137
2.0 mi
·
3 min
·
South 14th Street
36
Continue on TX 137
2.3 mi
·
2 min
·
State Highway 137
37
At end of road, turn left onto US 385
17 mi
·
17 min
·
US Highway 385
38
Turn left onto FM 301
6.0 mi
·
10 min
·
FM 301
39
Continue on FM 301
0.5 mi
·
54 sec
·
East Richardson Street
40
Arrive at destination
FM 301
Trip Plan
Given the 7 hour and 21 minute duration, getting an early start is the best way to ensure you reach Sundown comfortably before dark. You should plan for at least two dedicated stops to break up the monotony of the turn-heavy local roads and stretch your legs. Keep a close eye on your fuel gauge, as the $61 estimate can fluctuate based on your vehicle's efficiency and local price changes along the way. Since this is a long, non-highway route, stay alert during the middle portions of the drive when fatigue is most likely to set in. A practical tip for this specific trip is to preload your navigation for the local street transitions in San Antonio, as these turns are frequent and require precise maneuvering.
Morning Departure
Start early — leave by 6-7 AM to arrive at a reasonable hour.
Evening Departure
This is a long drive — plan for a morning departure or consider splitting it into two days.
You can normally do this drive in one day.
Plan roughly 2 meaningful breaks for fuel, food, and rest.
The halfway point lands around 205.3 miles from San Antonio, TX, or about 3h 33m into the drive.
The longest continuous stretch on this route runs about 98.7 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 90 miles or 1h 33m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 205.3 miles or 3h 33m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 6h 7m
Traffic, exits, and arrival timing usually matter more near Sundown, TX than in the middle of the route.
Before You Leave
+
Open the route before leaving San Antonio, TX 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.
+
Pick one backup stop option before the midpoint in case traffic changes your pacing.
Day 1
Settle into the route from San Antonio, TX
This is one driving day of about 410.5 miles and 7h 21m.
Your first comfortable stop window is around 90 miles from San Antonio, TX.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 2 real breaks rather than only quick fuel stops.
The longest stretch is on I 10 for about 98.7 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 205.3 mi from San Antonio, TX · 3h 33m into the drive
Mid-route town
Meal stop
205 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 90 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 205.3 miles from San Antonio, TX, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before I 10 if your tank is already low. That segment runs about 98.7 miles.
Arriving in Sundown, TX
The final approach into Sundown, TX usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Sundown, TX.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$62.71 one way
$125.41 round trip
$3.88/gal
25.4 MPG avg
144 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.25 | $68.72 | $137.44 |
| premium | $4.59 | $74.20 | $148.39 |
| diesel | $5.64 | $91.20 | $182.40 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$63
Meals
$25–$50
Total
$88–$113
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 143.6 kg one way. Prices: EIA weekly data, 2026-04-06.
Driving Electric?
About $43 in charging · 1 stop · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 123.1 | 1 | $43.10 | $19.70 |
| Efficient EV | 102.6 | 1 | $35.92 | $16.42 |
| EV Truck/SUV | 164.2 | 2 | $57.47 | $26.27 |
Gas CO2
144 kg
EV CO2
48 kg (67% less)
Plan for 1 charging stop. A 30-minute DC fast charge mid-route should be enough to complete the trip comfortably.
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
Sundown, TX
Afternoon in Sundown on Sunday
Local time
2:16 PM
CDT
Current temp
48°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
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
33 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
7h 21m on the road
Start early — leave by 6-7 AM to arrive at a reasonable hour.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from San Antonio, TX to Sundown, TX covers 410.5 miles and takes about 7h 21m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are I 10, US Highway 87 North, West Broadway Street. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 205.3 miles from San Antonio, TX. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $62.71 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Start early — leave by 6-7 AM to arrive at a reasonable hour. This is a long drive — plan for a morning departure or consider splitting it into two days.
Plan about 2 meaningful breaks for fuel, food, or rest. Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
This drive requires moderate attention. Across 410.5 miles you will encounter 17 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
The main spots that need attention: at 0.2 miles (Navarro Street): Lane positioning matters here; at 1.6 miles (West Cypress Street): Lane positioning matters here; at 3.1 miles: Multiple destination signs - pick the right one.
On the drive from San Antonio, TX to Sundown, TX, road signs begin pointing toward Menard along the way.
Was this route helpful?
Thanks for your feedback!
Your tip has been submitted. Thanks!
/500
Recent Tips
·
Explore More
Continue From Sundown, TX
Explore more options from San Antonio, TX or browse trips ending in Sundown, TX.
Looking for more statewide routes? Browse TX road trips.
Explore maps for San Antonio, TX or Sundown, TX on MapSof.net.