How far is Karnes City, TX from Laredo, TX?
The driving distance from Karnes City, TX to Laredo, TX is about 158.2 miles (254.6 km), with a travel time of about 02h 43m by car.
- The straight-line flight distance is about 136.5 miles (219.7 km).
- For a round trip, plan for roughly 05h 26m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 02h 43m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Duval County, Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Partly Sunny
Driving Route Map
The map below follows the saved road route between Karnes City and Laredo.
Turn-by-Turn Driving Directions
Step-by-step road directions between Karnes City and Laredo.
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1
Start on East Calvert Avenue
23 m · 7 sec · East Calvert Avenue
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2
Turn left onto South Panna Maria Avenue
1.6 km · 2 min · South Panna Maria Avenue
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3
Turn slight left onto South US Highway 181
3.3 mi · 4 min · South US Highway 181
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4
Continue on North Sunset Strip Drive
1.6 mi · 3 min · North Sunset Strip Drive
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5
Turn right onto West State Highway 72
31.8 mi · 39 min · West State Highway 72
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6
At the end of the road, turn left onto North Harborth Avenue
11 mi · 14 min · North Harborth Avenue
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7
Take the exit slight right
75 m · 7 sec
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8
Merge slight left
42.9 mi · 49 min
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9
Continue straight
58.8 mi · 1 hr 3 min
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10
Turn left onto Bob Bullock Loop
1.3 km · 1 min · Bob Bullock Loop
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11
Turn right onto Clark Boulevard
3 mi · 5 min · Clark Boulevard
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12
Continue on Park Street
2011 ft · 50 sec · Park Street
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13
Turn left onto Santa Ursula Avenue
1.1 km · 1 min · Santa Ursula Avenue
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14
Turn right onto Houston Street
1607 ft · 42 sec · Houston Street
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15
Turn left onto Salinas Avenue
83 m · 12 sec · Salinas Avenue
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16
Turn left onto Matamoros Street
93 m · 5 sec · Matamoros Street
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17
Arrive at your destination
0 m · 1 sec · Matamoros Street
Car Route Details
A richer read on the saved driving route between Karnes City and Laredo.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
North Harborth Avenue
Continue straight
58.8 mi · 01h 03m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Partly Sunny leaving Karnes City and Partly Sunny near Laredo.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Karnes City to Laredo?
The road trip is about 158.2 miles (254.6 km) and usually takes 02h 43m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Freer is a useful midpoint, sitting about 77.9 miles from Karnes City and 80.3 miles from Laredo.
How much longer is the road route than the straight-line distance?
The direct path is about 136.5 miles (219.7 km), while the road route adds roughly 21.7 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 1:04 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $21.09 one way or $42.17 round trip. Estimated CO2 is about 49.6 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Karnes City and Partly Sunny near Laredo.
Flight Path Map
This map shows the direct air route between Karnes City and Laredo. Straight-line distance: 136.55 mi (219.75 km).
#1 Karnes City
City in Karnes County, Texas, United States
| Population | 3,383 |
| Coordinates | 28.8849800, -97.9008400 |
| Altitude | 131 |
| Country | United States |
#2 Laredo
The third most populous city in Texas and the center of the Laredo metropolitan area.
| Population | 263,640 |
| Coordinates | 27.5064100, -99.5075400 |
| Altitude | 126 |
| Country | United States |
End: Matamoros Street (-99.507507, 27.506385)
Estimated Travel Time
Distance: 255 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 16m |
| 40 mph (64.37 km/h) | 03h 57m |
| 50 mph (80.47 km/h) | 03h 09m |
| 60 mph (96.56 km/h) | 02h 38m |
| 70 mph (112.65 km/h) | 02h 15m |
| 80 mph (129 km/h) | 01h 58m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $21.09 | $42.17 |
| Mid-grade | $4.25 | $23.73 | $47.45 |
| Premium | $4.59 | $25.62 | $51.24 |
| Diesel | $3.99 | $22.28 | $44.56 |
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 · Apr 17, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.