Spanning 590.7 miles across the Texas Great Plains, this journey from Katy to Amarillo typically takes about 10 hours and 37 minutes of driving time. Because of the significant distance, you should plan for at least two days on the road rather than attempting it in a single push. You will primarily navigate a combination of US 81, US Highway 287, and TX 6 to reach your destination. Expect to set aside roughly $90 for fuel, keeping your budget in mind as you map out the trip. This route is best treated as a multi-day trek, allowing you to pace yourself comfortably across the vast Texas landscape.
Trip Pace
Best split across 2 days
Treat the return leg as its own travel day rather than an afterthought.
Break Rhythm
3 planned breaks
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
295.3 miles from Katy, TX
A natural place for your longest stop of the day
, about 5h 20m into the drive
.
Main Roads
Road
Distance
Duration
US 81
103.4 mi
1h 49m
US Highway 287
75.4 mi
1h 17m
TX 6
69 mi
1h 15m
I 35W
51.5 mi
54m
North State Highway 6
43.3 mi
43m
US Highway 287 East
40.5 mi
42m
Purple Heart Trail
31.5 mi
31m
East 11th Street
28.7 mi
32m
Longest stretch:
US 81
— 103.4 mi, about 1h 49m
Turn-by-Turn Driving Directions
Step-by-step road directions between Katy, TX and Amarillo, TX.
1
Start on US 90
1.1 mi·1 min·Highway Boulevard
2
Turn left onto US 90
227 ft·4 sec·Katy Freeway Frontage Road
Use the left lane.
3
Take the ramp onto US 90
0.3 mi·43 sec·US 90
Toward I 10 East
4
Merge onto I 10; US 90
0.8 mi·52 sec·Katy Freeway
5
Take the exit
0.4 mi·44 sec
Exit 743BToward TX 99 Toll North, TX 99 South: Grand ParkwayUse the straight / slight right lanes.
6
Keep slight left at fork
0.6 mi·1 min
Toward TX 99 Toll North: Grand ParkwayUse the slight left lane.
7
Keep slight left at fork
0.2 mi·20 sec
Toward TX 99 Toll North
8
Merge onto TX 99 Toll
14 mi·16 min·West Grand Parkway North
Use the straight / slight right lanes.
9
Take the exit
0.3 mi·35 sec
Toward US 290 West, US 290 East: Austin, HoustonUse the straight / slight right lanes.
10
Keep slight left at fork
0.9 mi·1 min
Toward US 290 West: AustinUse the slight left lane.
11
Merge onto US 290; TX 6
19 mi·22 min·Northwest Freeway
Use the straight / slight right lanes.
12
Take the exit onto TX 6
0.3 mi·36 sec·TX 6
Toward College Station, BryanUse the slight right lane.
13
Keep slight left at fork
0.1 mi·19 sec
Use the straight / slight right lanes.
14
Turn right
0.2 mi·12 sec
Use the straight / right lanes.
15
Continue on TX 6
11 mi·12 min·TX 6
Use the straight / right lanes.
16
Turn straight onto TX 6
58 mi·1 hr 1 min·TX 6
Use the straight / slight right lanes.
17
Keep slight right at fork onto TX 6
5.8 mi·5 min·North State Highway 6
18
Continue on TX 6
2.2 mi·3 min·South Main Street
19
Continue on TX 6
37 mi·37 min·North State Highway 6
20
Continue on TX 6
2.2 mi·2 min·South Memorial Street
21
Continue on TX 6
9.1 mi·9 min·East State Highway 6
22
Take the exit onto TX 6
0.3 mi·33 sec·TX 6
23
Turn right onto Loop 340
4.9 mi·6 min·East Loop 340
24
Take the exit
354 ft·10 sec
25
Take the ramp
0.3 mi·23 sec
Toward I 35 North
26
Merge onto I 35; US 77
31 mi·31 min·Purple Heart Trail
Use the straight / slight right lanes.
27
Keep slight left at fork onto I 35W
52 mi·54 min·I 35W
Toward I 35W: Fort WorthUse the slight left lane.
28
Take the exit onto I 35W TEXpress
8.9 mi·8 min·I 35W TEXpress
Toward I 35W Express North: I 35W TEXpress NorthUse the straight / slight right lanes.
29
Take the exit
0.7 mi·1 min
Toward US 81 North, US 287 North: DecaturUse the straight / slight right lanes.
30
Merge onto US 81; US 287
1.7 mi·1 min·US 81; US 287
Use the straight / slight right lanes.
31
Continue on US 81; US 287
102 mi·1 hr 47 min·US 81; US 287
Use the straight / slight right lanes.
32
Continue on US 281; US 287
0.8 mi·58 sec·Lloyd Ruby Overpass
33
Continue on US 277; US 281; US 287
2.4 mi·3 min·Central Freeway
Use the straight lane.
34
Keep slight left at fork onto US 287
5.3 mi·5 min·Northwest Freeway
Exit 3AToward US 287 North: Vernon, AmarilloUse the slight left / straight lanes.
35
Continue on US 287
40 mi·42 min·US Highway 287 East
Use the straight / left / right lanes.
36
Continue on US 70; US 183; US 287
4.1 mi·4 min·Martin Luther King Jr Memorial Highway
Use the straight / slight right lanes.
37
Continue on US 287
26 mi·26 min·US Highway 287 West
Use the straight lane.
38
Continue on US 287
29 mi·32 min·East 11th Street
39
Continue on US 287
2.8 mi·3 min·Avenue F Northeast
40
Continue on US 287
14 mi·14 min·US Highway 287
41
Continue on US 287
0.7 mi·1 min·Burnett Street
42
Continue on US 287
14 mi·13 min·US Highway 287
43
Turn straight onto US 287
26 mi·28 min·Boykin Drive
44
Continue on US 287
1.6 mi·1 min·East 2nd Street
45
Continue on US 287
28 mi·28 min·US Highway 287
46
Continue on US 287; FM 1151
1.1 mi·2 min·East 1st Street
47
Continue on US 287
20 mi·20 min·US Highway 287
48
Keep slight right at fork onto East Interstate Drive
329 ft·8 sec·East Interstate Drive
Toward East 3rd Avenue
49
Keep slight right at fork onto Southeast 3rd Avenue
2.6 mi·3 min·Southeast 3rd Avenue
50
Take the ramp
0.2 mi·26 sec
51
Merge onto Loop 335
1.3 mi·1 min·North Lakeside Drive
52
Take the exit
0.3 mi·46 sec
Toward US 60, I 40 Business: Amarillo Boulevard
53
Turn left onto I 40 Business; US Historic 66; US 60
4.4 mi·5 min·East Amarillo Boulevard
54
Continue on I 40 Business; Original US Route 66; US 60
0.9 mi·1 min·I 40 Business; Original US Route 66; US 60
55
Continue on I 40 Business
0.1 mi·17 sec·East Amarillo Boulevard
56
Arrive at destination
I 40 Business; Original US Route 66; US 60
Trip Plan
To manage the 590.7-mile distance effectively, plan for at least three strategic stops to break up the drive. Since you are crossing the Great Plains, consider departing early in the morning to maximize daylight hours and avoid afternoon fatigue. If you decide to follow the recommended two-day itinerary, look for a midpoint to stay overnight so you don't feel rushed behind the wheel. Keep a close eye on your fuel gauge, especially during the 103.4-mile stretch on US 81, as consistent refueling is essential for keeping your $90 estimated cost accurate and your trip stress-free.
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.
This drive is better paced as a 2-day trip.
Plan roughly 3 meaningful breaks for fuel, food, and rest.
The halfway point lands around 295.3 miles from Katy, TX, or about 5h 20m into the drive.
The longest continuous stretch on this route runs about 103.4 miles.
Consider an overnight stop or starting very early.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 130 miles or 2h 26m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 295.3 miles or 5h 20m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Overnight split
Day 1 wrap after about 295.3 miles or 5h 20m
Stop before fatigue turns the last few hours into a grind. You want day two to start fresh, not just resumed.
Final approach
Final hour starts around 9h 31m
Traffic, exits, and arrival timing usually matter more near Amarillo, TX than in the middle of the route.
Before You Leave
+
Open the route before leaving Katy, 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.
+
Treat this as a 2-day road trip and book the overnight stop before the busiest arrival window.
Day 1
Settle into the route from Katy, TX
Aim for roughly 295 miles and 5.3 hours of wheel time on this day.
Day 2
Finish the approach into Amarillo, TX
Aim for roughly 295 miles and 5.3 hours of wheel time on this day.
Your first comfortable stop window is around 130 miles from Katy, TX.
This route usually feels better as a 2-day drive than as one long push.
Plan about 3 real breaks rather than only quick fuel stops.
The longest stretch is on US 81 for about 103.4 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 30
5 decision points cluster between mile 2.3 and 368.7 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
8
2.3 mi into trip|~3m in
Take the exit toward TX 99 Toll North, TX 99 South: Grand Parkway
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Exit 743B
Toward TX 99 Toll North, TX 99 South: Grand Par...
7
2.7 mi into trip|~4m in
Keep slight left at fork toward TX 99 Toll North: Grand Parkway
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight left lane.
Toward TX 99 Toll North: Grand Parkway
7
17.4 mi into trip|~21m in
Take the exit toward US 290 West, US 290 East: Austin, Houston
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Toward US 290 West, US 290 East: Austin, Housto...
7
17.7 mi into trip|~22m in
Keep slight left at fork toward US 290 West: Austin
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight left lane.
Toward US 290 West: Austin
9
368.7 mi into trip|~6h 38m in|US 287 / Northwest Freeway
Keep slight left at fork onto US 287 / Northwest Freeway toward US 287 North: Vernon, Amarillo
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight left / straight lanes.
Exit 3A
Toward US 287 North: Vernon, Amarillo
Fuel & Cost
Regular Gas
$89.26 one way
$178.51 round trip
$3.84/gal25.4 MPG avg207 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.20
$97.70
$195.40
premium
$4.54
$105.47
$210.93
diesel
$5.61
$130.42
$260.84
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$89
Hotel (1n)
$80–$140
Meals
$50–$100
Total
$219–$329
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 206.7 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $62 in charging
· 2 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
177.2
2
$62.02
$28.35
Efficient EV
147.7
1
$51.69
$23.63
EV Truck/SUV
236.3
2
$82.70
$37.80
Gas CO2
207 kg
EV CO2
69 kg (67% less)
Plan for 2 charging stops, roughly every 270 miles. Allow 25-40 minutes per stop at a DC fast charger.
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 Apr 16, 2026
Origin
Katy, TX
Late night
in Katy on Tuesday
Local time
3:06 AM
CDT
Current temp
86°F
Unavailable
Live forecast
Destination
Amarillo, TX
Late night
in Amarillo on Tuesday
Local time
3:06 AM
CDT
Current temp
85°F
Sunny
SW 10 to 20 mph0% chanceLive 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.
For long drives, weather on day two can matter just as much as conditions at departure, so check the whole travel window rather than only the first day.
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
1 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
10h 37m on the road
This is long enough that the arrival forecast matters almost as much as departure conditions. Recheck both ends before you roll.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
National Parks Near This Route
Worth a detour if your schedule allows.
Waco Mammoth National Monument
National Monument
Standing as tall as 14 feet and weighing 20,000 pounds, Columbian mammoths roamed across what is present-day Texas thousands of years ago. Today, the fossil specimens represent the nation's first and...
9 mi from route
~22 min detour
Free
near mile 162.9
13,000 years ago, Alibates Flint was used by mammoth hunters as a source of flint for tools. Learn how important this site was to the survival, commerce, and culture of the people of the High Plains.
26 mi from route
~66 min detour
Free
near mile 590.7
Set within the wide‑open Texas Plains, Lake Meredith National Recreation Area offers a peaceful retreat in the heart of rugged grasslands. Over thousands of years, the Canadian River carved dramatic 2...
29 mi from route
~72 min detour
Free
near mile 590.7
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
Expect a long-distance drive where approximately 80 percent of your travel occurs on highways. The road environment varies, but you will encounter a significant, uninterrupted 103.4-mile stretch along US 81 that tests your focus. While much of the journey involves steady highway cruising, the transition between these major arteries keeps the experience from feeling like a monotonous interstate grind. You will find that the character of the road shifts as you navigate these different connections, requiring you to remain alert throughout the duration of the trip.
80% highway — fuel and pacing are the main things to plan.
56 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 103.4 mi on US 81.
How Hard Is This Drive?
10/10
This is a straightforward highway drive that stays mostly on US 81 and US Highway 287. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 2.3 miles in.
Driving Effort10/10
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 30 significant decision points across 590.7 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 2.3 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 2.7 miles: Highway fork - watch signs carefully. Lane positioning matters here; at 17.4 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. 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.
Between Katy, TX and Amarillo, TX, road signs point toward College Station and Bryan.
Katy is a town in Southeastern Texas, just west of Houston, with rich history and a little bit of small town charm. It used to be a railroad town along the Missouri–Kansas–Texas railroad. In the 1960s, Houston started growing, eventually making Katy part of its surrounding area. Katy is a place to see for its heritage and historical sights, as well as other attractions to visit, with many being more popular than historical locations.
Top landmarks
•B. Ray and Charlotte Woods House — building in Katy, Fort Bend County, Texas
The longest stretch is about 103.4 miles on US 81. The full list of main roads is in the Roads section above.
Yes — a 2-day pace is more comfortable than one long haul. A sensible stopping point is after roughly 295 miles on day one.
We did not find dedicated rest areas on this route. For a drive this long, plan bathroom and stretch breaks around gas stations, fast-food stops, or small-town downtowns — check the Nearby Places section for options.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Amarillo, TX before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 3 meaningful breaks. Dedicated rest areas are limited, so plan gas or food stops as your bathroom breaks.
The main spots that need attention: at 2.3 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 2.7 miles: Highway fork - watch signs carefully. Lane positioning matters here; at 17.4 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Yes — Waco Mammoth National Monument, Alibates Flint Quarries National Monument and Lake Meredith National Recreation Area. See the National Parks section for detour distances and tips on detours.
Not recommended in a single day. At 10.6 hours each way, a round trip means 21.2 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Amarillo, TX before the return drive.
