Origin
McKinney, TX
Morning in McKinney on Tuesday
Local time
7:05 AM
CDT
Current temp
82°F
Unavailable
Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 21, 2026 · Editorial standards
Drive Time
5h 21m
Distance
299.9 mi
483 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$45
one way
EV Charging
Unknown
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
McKinney, TX
Wikimedia Commons
San Angelo, TX
Wikimedia Commons
McKinney to San Angelo is 299.9 miles and takes about 5h 21m via I 20 and US Highway 277 South, with a fuel budget near $45 and enough daylight to finish in a day. This trip primarily travels through the Great Plains region within Texas, offering a straightforward drive. With 90% of the route on highways, you'll find it’s a practical option for a single-day excursion. The main roads include the Sam Rayburn Tollway connecting to I-20, making for a mostly efficient transit. This route is best suited for those prioritizing direct travel over extensive sightseeing.
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
1 planned break
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
149.9 miles from McKinney, TX
A natural place for your longest stop of the day , about 2h 40m into the drive .
| Road | Distance | Duration |
|---|---|---|
| I 20 | 137.3 mi | 2h 19m |
| US Highway 277 South | 78.6 mi | 1h 24m |
| Sam Rayburn Tollway | 23.8 mi | 25m |
| TX 121 | 15.2 mi | 16m |
| Jim Wright Freeway | 12.8 mi | 14m |
| I 820 TEXpress | 6.9 mi | 6m |
| West Freeway | 6 mi | 6m |
| US 277 | 5.7 mi | 7m |
Step-by-step road directions between McKinney, TX and San Angelo, TX.
Start on North Tennessee Street
Turn left onto East Virginia Street
Turn left onto North Kentucky Street
Turn left onto East Louisiana Street
Turn right onto TX 5
Continue on Spur 399
Continue on SRT
Continue on TX 121
Continue on SRT
Continue on TX 121
Keep slight left at fork onto TX 121
Take the exit onto TX 121 Express
Continue on TX 121 TEXpress; TX 183 TEXpress
Continue on TX 183 TEXpress
Continue on TX 121 TEXpress; TX 183 TEXpress
Continue on I 820 TEXpress
Merge onto I 820
Continue on I 820
Take the exit
Merge onto I 30
Merge onto I 20
Take the exit
Merge onto US 83; US 277
Take the exit onto US 277
Turn right onto US 277
Keep slight right at fork onto US 277
Keep slight left at fork onto US 277
Take the exit
Turn straight onto East 7th Street
Turn left onto US 67 Bus
Turn right onto East Harris Avenue
Arrive at destination
For this 5h 21m drive, departing from McKinney in the morning is ideal to maximize daylight and arrive in San Angelo with time to spare. With a relatively short distance of 299.9 miles, you can comfortably complete this in one day without needing an overnight stay. Plan for one main stop, perhaps midway on I-20, to refuel and stretch before the final leg on US Highway 277 South. The estimated fuel cost is around $45, so ensure your tank is full before leaving McKinney to avoid unexpected stops. Consider that the longest stretch without a major change in road type is 137.3 miles on I-20.
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
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 66 miles or 1h 14m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 149.9 miles or 2h 40m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 4h 21m
Traffic, exits, and arrival timing usually matter more near San Angelo, TX than in the middle of the route.
Open the route before leaving McKinney, 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.
Day 1
Settle into the route from McKinney, TX
This is one driving day of about 299.9 miles and 5h 21m.
Rest stops, refuel points, and overnight suggestions along this route.
Mid-route town
Meal stop
150 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.
A short stop after about 66 miles helps settle the day before fatigue starts building.
The midpoint is around 149.9 miles from McKinney, TX, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before I 20 if your tank is already low. That segment runs about 137.3 miles.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
5 decision points cluster between mile 0.3 and 211.3 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
Turn right onto TX 5 / South McDonald Street
Lane positioning matters here
Keep slight left at fork onto TX 121 toward TX 121 South: Forth Worth, Arlington, Grand Praire
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Take the exit onto TX 121 Express toward TX 121 Express South Toll, TX 183 Express West Toll
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Take the exit toward I 30 West: Weatherford
Exit ramp - move to the correct lane early. Lane positioning matters here
Take the exit toward US 83 South, US 277 South: San Angelo, Ballinger, Anson
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Regular Gas
$45.32 one way
$90.63 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.20 | $49.60 | $99.20 |
| premium | $4.54 | $53.55 | $107.09 |
| diesel | $5.61 | $66.21 | $132.43 |
Estimated Tolls: $1.91
Toll estimates based on average 2024-2025 rates. EZ-Pass/SunPass discounts may lower the actual cost.
Estimated Trip Cost (one way, 1 person)
Fuel
$45
Tolls
$2
Meals
$25–$50
Total
$72–$97
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 104.9 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $31 in charging · 1 stop · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 90 | 1 | $31.49 | $14.40 |
| Efficient EV | 75 | 0 | $26.24 | $12.00 |
| EV Truck/SUV | 120 | 1 | $41.99 | $19.19 |
Gas CO2
105 kg
EV CO2
35 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.
Current conditions at both ends of the drive.
Origin
Morning in McKinney on Tuesday
Local time
7:05 AM
CDT
Current temp
82°F
Unavailable
Destination
Morning in San Angelo on Tuesday
Local time
7:05 AM
CDT
Current temp
82°F
Unavailable
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
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
Both ends of the route are sitting at about the same temperature right now.
Road read
An early start around 7-8 AM gets you there with plenty of daylight left.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
This drive is mostly highway, with 90% of the 299.9 miles on major roads like I-20 and US Highway 277 South. You'll experience a long stretch of 137.3 miles on I-20, which means extended periods of consistent cruising. Expect to transition from highway driving to surface roads as you approach your destination, likely around the point where US Highway 277 South becomes the primary road. The consistent highway travel suggests fewer frequent stops for traffic lights and more open road.
This is a straightforward highway drive that stays mostly on I 20 and US Highway 277 South. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.3 miles in near TX 5 / South McDonald Street.
High effort - long or complex enough to need steady focus all day
Balances navigation complexity with total wheel time.
This is a demanding drive. With 19 significant decision points across 299.9 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: at 0.3 miles (TX 5 / South McDonald Street): Lane positioning matters here; at 35.7 miles (TX 121): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 42.6 miles (TX 121 Express): Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between McKinney, TX and San Angelo, TX, road signs point toward Arlington, Grand Praire, Ballinger and Anson.
Arlington
Grand Praire
Ballinger
Anson
Founded 1848
McKinney is a city in the Blackland Prairie region of Texas.
San Angelo (pronounced "Snangelo" by locals) is a city in the Northern Edwards Plateau of Texas, on the Concho River. It is the home of Goodfellow Air Force Base, Angelo State University, and the Producer's Livestock Auction, the country's largest sheep and lamb market.
City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).
Weekend Trip
Doable as a same-day drive at 5h 21m. Total distance: 299.9 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
5h 21m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (90%). Some complex stretches to watch for.
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.
Was this helpful?
Thanks for your feedback!
Your tip has been submitted. Thanks!
/500
Recent Tips
·
Explore more options from McKinney, TX or browse trips ending in San Angelo, TX.
Looking for more statewide routes? Browse TX road trips.