Origin
Grey Forest, TX
Evening in Grey Forest on Thursday
Local time
6:13 PM
CDT
Current temp
65°F
Unavailable
Live forecast
Trip from Grey Forest, TX to San Antonio, TX
Last recalculated Apr 16, 2026
Drive Time
35m
Distance
23.2 mi
37 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 33m
★
6 AM
0h 36m
8 AM
0h 42m
10 AM
0h 38m
12 PM
0h 37m
3 PM
0h 38m
5 PM
0h 42m
8 PM
0h 34m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
San Antonio, TX
Wikimedia Commons
Trip Overview
The drive from Grey Forest, TX to San Antonio, TX covers 23.2 miles and takes about 35m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on McDermott Freeway, West Hausman Road, Scenic Loop Road for much of the mileage, and the overall profile is mixed drive. The longest uninterrupted segment is about 10.9 miles on McDermott Freeway. At current regular gas prices, budget about $3.51 one way before food or hotel costs.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 35m. Total distance: 23.2 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
35m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (57%). Some complex stretches to watch for.
Scenic Drive
Mixed drive route profile with national parks nearby.
Drive Character
The drive from Grey Forest, TX to San Antonio, TX covers 23.2 miles and takes about 35m, using a mix of highways and local roads.
Expect a mix of faster highway mileage and slower local approaches near the beginning or end.
There are about 16 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
McDermott Freeway is the longest continuous segment at about 10.9 miles.
How Hard Is This Drive?
This route mixes highway mileage with some local-road sections near the start or finish. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 10.4 miles in.
Driving Effort
7/10
Focused - busy navigation packed into a short drive
Balances navigation complexity with total wheel time.
This is a short but busy drive. With 7 decision points packed into just 23.2 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 35m.
Where does it get tricky?
The main spots that need attention: at 10.4 miles: Multiple destination signs - pick the right one; at 10.6 miles (I 10; US 87 / McDermott Freeway): Merge point - match speed before joining. Lane positioning matters here; at 21.6 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Critical Maneuvers
5 of 7 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
5
10.4 mi into trip
|
~19m in
Take the ramp toward I 10 East, US 87 South
Multiple destination signs - pick the right one
Toward I 10 East, US 87 South
5
10.6 mi into trip
|
~19m in
|
I 10; US 87 / McDermott Freeway
Merge onto I 10; US 87 / McDermott Freeway
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
8
21.6 mi into trip
|
~32m in
Take the exit toward Santa Rosa Street, Downtown
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Exit 569C
Toward Santa Rosa Street, Downtown
6
22.2 mi into trip
|
~33m in
|
North Pecos-La Trinidad
Keep slight right at fork onto North Pecos-La Trinidad
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight lane.
6
22.7 mi into trip
|
~35m in
|
Dolorosa Street
Turn left onto Dolorosa Street
Lane positioning matters here
Use the straight / left lanes.
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 Grey Forest, TX to San Antonio, TX, road signs begin pointing toward Downtown along the way.
Downtown
21.6 mi in
|
~32m
Main Roads
| Road | Distance | Duration |
|---|---|---|
| McDermott Freeway | 10.9 mi | 12m |
| West Hausman Road | 3.5 mi | 6m |
| Scenic Loop Road | 2.5 mi | 4m |
| FM 1560 North | 2 mi | 3m |
| Bandera Road | 1.6 mi | 2m |
| North Pecos-La Trinidad | 0.7 mi | 1m |
| Dolorosa Street | 0.5 mi | <1m |
| Sherwood Trail | 0.3 mi | 1m |
Longest stretch:
McDermott Freeway
— 10.9 mi, about 12m
Turn-by-Turn Driving Directions
Step-by-step road directions between Grey Forest, TX and San Antonio, TX.
1
Start on Sherwood Trail
0.2 mi
·
35 sec
·
Sherwood Trail
2
Continue on Sherwood Trail
0.2 mi
·
44 sec
·
Sherwood Trail
3
Turn left onto Scenic Loop Road
2.5 mi
·
4 min
·
Scenic Loop Road
4
Turn left onto TX 16
1.6 mi
·
2 min
·
Bandera Road
5
Turn slight left
0.1 mi
·
29 sec
6
Continue on FM 1560
2.0 mi
·
3 min
·
FM 1560 North
Use the left lane.
7
Continue on West Hausman Road
3.5 mi
·
6 min
·
West Hausman Road
Use the straight lane.
8
Turn straight onto Interstate 10 West
0.3 mi
·
25 sec
·
Interstate 10 West
9
Take the ramp
0.2 mi
·
27 sec
Toward I 10 East, US 87 South
10
Merge onto I 10; US 87
9.3 mi
·
10 min
·
McDermott Freeway
Use the straight / slight right lanes.
11
Keep slight right at fork onto I 10; US 87
1.7 mi
·
2 min
·
McDermott Freeway
12
Take the exit
0.5 mi
·
1 min
Exit 569C
Toward Santa Rosa Street, Downtown
Use the slight right lane.
13
Turn straight onto North Pecos-La Trinidad
0.2 mi
·
16 sec
·
North Pecos-La Trinidad
14
Keep slight right at fork onto North Pecos-La Trinidad
0.6 mi
·
1 min
·
North Pecos-La Trinidad
Use the straight lane.
15
Turn left onto Dolorosa Street
0.5 mi
·
55 sec
·
Dolorosa Street
Use the straight / left lanes.
16
Arrive at destination
Dolorosa Street
Fuel & Cost
Regular Gas
$3.51 one way
$7.01 round trip
$3.84/gal
25.4 MPG avg
8 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.20 | $3.84 | $7.67 |
| premium | $4.54 | $4.14 | $8.28 |
| diesel | $5.61 | $5.12 | $10.24 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$4
Estimated CO2 emission: 8.1 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 | 0 | $2.44 | $1.11 |
| Efficient EV | 5.8 | 0 | $2.03 | $0.93 |
| EV Truck/SUV | 9.3 | 0 | $3.25 | $1.48 |
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
San Antonio, TX
Evening in San Antonio on Thursday
Local time
6:13 PM
CDT
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
12 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
35m 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 Grey Forest, TX to San Antonio, TX covers 23.2 miles and takes about 35m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are McDermott Freeway, West Hausman Road, Scenic Loop Road. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 11.6 miles from Grey Forest, TX. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $3.51 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 short but busy drive. With 7 decision points packed into just 23.2 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 35m.
The main spots that need attention: at 10.4 miles: Multiple destination signs - pick the right one; at 10.6 miles (I 10; US 87 / McDermott Freeway): Merge point - match speed before joining. Lane positioning matters here; at 21.6 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
On the drive from Grey Forest, TX to San Antonio, TX, road signs begin pointing toward Downtown along the way.
Yes. Nearby national parks include San Antonio Missions National Historical Park.
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