How far is Seguin, TX from Amarillo, TX?
The driving distance from Seguin, TX to Amarillo, TX is about 542.9 miles (873.7 km), with a travel time of about 08h 09m by car.
- The straight-line flight distance is about 450.9 miles (725.7 km).
- For a round trip, plan for roughly 16h 18m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM CDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 08h 09m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Nolan County, Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Areas Of Fog
Driving Route Map
The map below follows the saved road route between Seguin and Amarillo.
Turn-by-Turn Driving Directions
Step-by-step road directions between Seguin and Amarillo.
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1
Start on West Court Street
2.1 mi · 4 min · West Court Street
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2
Continue straight
1 mi · 2 min
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3
Take the ramp left toward I 10 West, TX 130 South
1705 ft · 42 sec
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4
Merge slight left
2.1 mi · 2 min
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5
Continue straight
9.4 mi · 9 min
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6
Keep slight left
1.9 mi · 2 min
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7
Take the exit slight right toward TX 1518: Schertz
599 ft · 15 sec
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8
Turn straight onto Interstate 10 East
629 ft · 21 sec · Interstate 10 East
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9
Turn right onto Farm-to-Market Road 1518
5.4 mi · 10 min · Farm-to-Market Road 1518
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10
At the end of the road, turn left onto Gordon A Blake Highway
2 mi · 3 min · Gordon A Blake Highway
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11
Turn left
1087 ft · 22 sec
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12
Take the ramp slight right toward Loop 1604 North
81 m · 7 sec
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13
Merge slight left onto Anderson Loop
20.4 mi · 22 min · Anderson Loop
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14
Take the exit slight right toward Frontage Road
841 ft · 21 sec
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15
Turn straight onto North Loop 1604 West
1183 ft · 26 sec · North Loop 1604 West
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16
Turn right onto Interstate 10 West
1450 ft · 25 sec · Interstate 10 West
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17
Take the ramp slight left toward I 10 West, US 87 North
811 ft · 20 sec
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18
Merge slight left
1.1 mi · 1 min
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19
Keep slight right
98.7 mi · 1 hr 37 min
-
20
Take the exit slight right toward US 83 North, US 377: Junction, Menard
1665 ft · 44 sec
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21
Turn right onto North Main Street
29.3 mi · 31 min · North Main Street
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22
Continue on Frisco Avenue
41.9 mi · 45 min · Frisco Avenue
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23
Continue on Roberts Avenue
16.5 mi · 18 min · Roberts Avenue
-
24
Turn right onto Hutchings Avenue
118 m · 18 sec · Hutchings Avenue
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25
Turn left onto North Broadway Street
6.3 mi · 7 min · North Broadway Street
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26
Turn right
12.3 mi · 13 min
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27
Turn left onto State Highway 153
29.5 mi · 33 min · State Highway 153
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28
Keep slight right to continue on State Highway 153
6 m · 1 sec · State Highway 153
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29
Turn right onto State Highway 70
10.4 mi · 11 min · State Highway 70
-
30
Continue on Lamar Street
1.3 km · 1 min · Lamar Street
-
31
Turn left onto Northwest Georgia Avenue
670 ft · 17 sec · Northwest Georgia Avenue
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32
Take the ramp slight left toward I 20 West: Midland
104 m · 8 sec
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33
Merge slight left
6 mi · 6 min
-
34
Take the exit slight right toward US 84 West: Snyder, Lubbock
1721 ft · 20 sec
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35
Keep slight left
74.2 mi · 1 hr 14 min
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36
Turn right onto South Avenue F
1 mi · 2 min · South Avenue F
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37
Keep slight left to continue on North Avenue F
617 ft · 11 sec · North Avenue F
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38
Turn straight onto Ralls Road
1863 ft · 39 sec · Ralls Road
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39
Turn left onto East 15th Street
734 ft · 17 sec · East 15th Street
-
40
Turn right onto North US Highway 84
1 mi · 1 min · North US Highway 84
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41
Continue on Highway 84
20 mi · 20 min · Highway 84
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42
Continue on Trooper Jerry Don Davis Memorial Highway
4.6 mi · 5 min · Trooper Jerry Don Davis Memorial Highway
-
43
Continue on East Highway 84
6.8 mi · 7 min · East Highway 84
-
44
Continue on Slaton Road
4.5 mi · 6 min · Slaton Road
-
45
Take the exit slight right
1302 ft · 27 sec
-
46
Turn slight right onto Interstate 27
98 m · 6 sec · Interstate 27
-
47
Take the ramp straight
1303 ft · 32 sec
-
48
Merge slight left onto Marshall Formby Memorial Highway
109.9 mi · 1 hr 51 min · Marshall Formby Memorial Highway
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49
Continue on Canyon Expressway
13.5 mi · 15 min · Canyon Expressway
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50
Keep slight left to continue on US 87 North
1.5 km · 2 min
-
51
Keep slight right to continue on South Fillmore Street
1.1 km · 2 min · South Fillmore Street
-
52
Turn right onto East Amarillo Boulevard
32 m · 1 sec · East Amarillo Boulevard
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53
Arrive at your destination
0 m · 1 sec · East Amarillo Boulevard
Car Route Details
A richer read on the saved driving route between Seguin and Amarillo.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Marshall Formby Memorial Highway
Merge slight left onto Marshall Formby Memorial Highway
110 mi · 01h 51m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Mostly Sunny leaving Seguin and Areas Of Fog near Amarillo.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Seguin to Amarillo?
The road trip is about 542.9 miles (873.7 km) and usually takes 08h 09m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Blackwell is a useful midpoint, sitting about 269.1 miles from Seguin and 273.8 miles from Amarillo.
How much longer is the road route than the straight-line distance?
The direct path is about 450.9 miles (725.7 km), while the road route adds roughly 92 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 6:00 AM to 7:30 AM CDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $73.56 one way or $147.11 round trip. Estimated CO2 is about 170.3 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Seguin and Areas Of Fog near Amarillo.
Flight Path Map
This map shows the direct air route between Seguin and Amarillo. Straight-line distance: 450.95 mi (725.73 km).
#1 Seguin
City in and the county seat of Guadalupe County, Texas, United States
| Population | 30,165 |
| Coordinates | 29.5688400, -97.9647300 |
| Altitude | 159 |
| Country | United States |
#2 Amarillo
The second most populous city in Texas Panhandle.
| Population | 199,654 |
| Coordinates | 35.2220000, -101.8313000 |
| Altitude | 1118 |
| Country | United States |
End: East Amarillo Boulevard (-101.8313, 35.221963)
Estimated Travel Time
Distance: 874 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 18h 05m |
| 40 mph (64.37 km/h) | 13h 34m |
| 50 mph (80.47 km/h) | 10h 51m |
| 60 mph (96.56 km/h) | 09h 02m |
| 70 mph (112.65 km/h) | 07h 45m |
| 80 mph (129 km/h) | 06h 46m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.84 | $73.56 | $147.11 |
| Mid-grade | $4.35 | $83.29 | $166.58 |
| Premium | $4.72 | $90.49 | $180.99 |
| Diesel | $5.78 | $110.67 | $221.34 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Texas · Oct 15, 2026