How far is Brownsville, TX from San Juan, TX?

The driving distance from Brownsville, TX to San Juan, TX is about 54.8 miles (88.2 km), with a travel time of about 01h 05m by car.

  • The straight-line flight distance is about 45.4 miles (73.1 km).
  • For a round trip, plan for roughly 02h 10m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
54.82 mi
01h 05m
Flight
45.41 mi
73.08 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Brownsville.

Flight Distance

Direct air line
45.41 mi
Kilometers
73.08 km
Flight Time
00h 05m

Driving Distance

Road route
54.82 mi
Kilometers
88.22 km
Drive Time
01h 05m

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 01h 05m.

Arrival Snapshot
Arrive in San Juan
Tue, May 12, 11:52 PM CDT
Return by in Brownsville
Wed, May 13, 12:57 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Brownsville
2026-05-12T22:46
Arrive San Juan
Tue, May 12, 11:52 PM CDT
Route Timing
01h 05m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
9:05 AM to 11:05 AM CDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:20 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Brownsville
9:30 PM CDT
Morning start is best

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.

Mid-route stop
Palm Valley
TX

In Cameron County, Texas, USA, Palm Valley is a town.

From Brownsville
27.4 mi
00h 32m
To San Juan
27.4 mi
00h 32m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
Brownsville Weather
TX
Live fallback forecast
87°F
Tuesday
Using Cameron Park as the closest live forecast in the Cameron County weather hub.

Mostly Sunny

Starts
Tue, May 12 6:00 AM CDT
Wind
5 to 9 mph NNE
Destination
87°F
Tuesday

Mostly Sunny

Starts
Tue, May 12 6:00 AM CDT
Wind
3 to 7 mph N

Driving Route Map

The map below follows the saved road route between Brownsville and San Juan.

Turn-by-Turn Driving Directions

Step-by-step road directions between Brownsville and San Juan.

  1. 1

    Start on East Washington Street

    1682 ft · 41 sec · East Washington Street

  2. 2

    Turn right onto East 7th Street

    1.5 km · 2 min · East 7th Street

  3. 3

    Turn left onto North Frontage Road

    999 ft · 20 sec · North Frontage Road

  4. 4

    Take the ramp slight left toward I 69E North, US 77 North, US 83 North

    2235 ft · 55 sec

  5. 5

    Merge slight left onto North Expressway

    10.6 mi · 12 min · North Expressway

  6. 6

    Continue on U.S. Highway 77

    13.2 mi · 15 min · U.S. Highway 77

  7. 7

    Take the exit slight right toward I 2 West, US 83: McAllen

    26.7 mi · 30 min

  8. 8

    Take the exit slight right toward Cesar Chavez Road

    1032 ft · 25 sec

  9. 9

    Turn straight onto West Expressway 83

    967 ft · 19 sec · West Expressway 83

  10. 10

    Continue on Frontage Road

    1238 ft · 32 sec · Frontage Road

  11. 11

    Turn left onto Cesar Chavez Road

    2688 ft · 1 min · Cesar Chavez Road

  12. 12

    Turn right

    1.3 mi · 2 min

  13. 13

    Continue straight

    47 m · 13 sec

  14. 14

    Turn right

    54 m · 13 sec

  15. 15

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Brownsville and San Juan.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
15 steps
6 turns on the saved route
Ramps & Exits
4
1 merges, 3 ramps or exits
Navigation Density
27.4 / 100 mi
Decision points by distance
Main Roads
I 2 West
26.7 mi · 49%
U.S. Highway 77
13.2 mi · 24%
North Expressway
10.6 mi · 19%
East 7th Street
0.91 mi · 2%
Cesar Chavez Road
0.73 mi · 1%
I 69E North
0.42 mi · 1%
Longest Stretch

I 2 West

Take the exit slight right toward I 2 West, US 83: McAllen

26.7 mi · 00h 30m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
01h 05m
Day trip friendly
Same-Day Return
02h 10m
Round-trip wheel time
Road vs Air
+9.4 mi
45.4 mi direct line
Halfway Stop
Palm Valley
00h 32m from Brownsville
Leave By
4:20 PM CDT
Morning start is best
Weather Watch

Mostly Sunny leaving Brownsville and Mostly Sunny near San Juan.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Brownsville to San Juan?

The road trip is about 54.8 miles (88.2 km) and usually takes 01h 05m 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?

Palm Valley is a useful midpoint, sitting about 27.4 miles from Brownsville and 27.4 miles from San Juan.

How much longer is the road route than the straight-line distance?

The direct path is about 45.4 miles (73.1 km), while the road route adds roughly 9.4 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 4:20 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $7.29 one way or $14.59 round trip. Estimated CO2 is about 17.2 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Brownsville and Mostly Sunny near San Juan.

Stop Ideas Near Palm Valley

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Palm Valley and the surrounding midpoint area.
Harlingen City Recreation Department
Scenic stop 3 mi away

Harlingen City Recreation Department

Harlingen , TX
502 E Tyler Ave, Harlingen, TX 78550
Rating 3.9/5 8 reviews Park
Stop photo coming soon
Meeting point 11.1 mi away

Mercedes City Hall

Mercedes , TX
400 S Ohio Ave, Mercedes, TX 78570
Rating 1.5/5 20 reviews City government office
Stop photo coming soon
Nearby stop 11.2 mi away

Mercedes Water Department

Mercedes , TX
Mercedes, TX 78570
Rating 1.8/5 5 reviews Water utility company

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Palm Valley.

BUS

Harlingen, Texas

6 mi away
215 E. Monroe Ave.
BUS

Brownsville, Texas

42 mi away
1134 E. St. Charles Street
BUS

McAllen, Texas

48 mi away
1501 West US Hwy 83 Business

Flight Path Map

This map shows the direct air route between Brownsville and San Juan. Straight-line distance: 45.41 mi (73.08 km).

Brownsville

#1 Brownsville

The southernmost city in Texas.

Population183,428
Coordinates25.9017500, -97.4974800
Altitude10
CountryUnited States
San Juan

#2 San Juan

In Hidalgo County, Texas, San Juan is a city.

Population37,034
Coordinates26.1892400, -98.1552900
Altitude33
CountryUnited States
Start: Brownsville (-97.49748, 25.90175)
End: San Juan (-98.15529, 26.18924)

Estimated Travel Time

Distance: 88 km by road

SpeedTime
30 mph (48.3 km/h)01h 49m
40 mph (64.37 km/h)01h 22m
50 mph (80.47 km/h)01h 05m
60 mph (96.56 km/h)00h 54m
70 mph (112.65 km/h)00h 46m
80 mph (129 km/h)00h 41m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.93 gal
7.32 L · about $7.29
Round trip
$14.59
3.86 gal · 14.64 L
Estimated CO2
17.2 kg one way
Round trip: 34.3 kg / 76 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.78 $7.29 $14.59
Mid-grade $4.25 $8.21 $16.41
Premium $4.59 $8.86 $17.72
Diesel $3.99 $7.71 $15.41

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 · May 13, 2026

There is no time difference between Brownsville and San Juan. The current time is 22:46:43.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.