How far is Surprise, AZ from Somerton, AZ?

The driving distance from Surprise, AZ to Somerton, AZ is about 189.1 miles (304.4 km), with a travel time of about 03h 40m by car.

  • The straight-line flight distance is about 155 miles (249.4 km).
  • For a round trip, plan for roughly 07h 21m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM MST.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
189.18 mi
03h 40m
Flight
154.98 mi
249.41 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Surprise.

Flight Distance

Direct air line
154.98 mi
Kilometers
249.41 km
Flight Time
00h 18m

Driving Distance

Road route
189.18 mi
Kilometers
304.45 km
Drive Time
03h 40m

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 03h 40m.

Arrival Snapshot
Arrive in Somerton
Thu, Apr 23, 1:15 AM MST
Return by in Surprise
Thu, Apr 23, 4:56 AM MST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Surprise
2026-04-22T21:35
Arrive Somerton
Thu, Apr 23, 1:15 AM MST
Route Timing
03h 40m
One way by road
Best Departure Window
6:00 AM to 8:00 AM MST
Leave early for more breathing room
Arrive between
9:41 AM to 11:41 AM MST

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
9:38 AM MST
Keeps a same-day return open with about 04h 00m at the destination.
Back in Surprise
9:00 PM MST
Early departure recommended

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
Gila Bend
AZ

Town in Maricopa County, Arizona, United States

From Surprise
94.5 mi
01h 50m
To Somerton
94.6 mi
01h 50m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
87°F
Wednesday

Mostly Sunny

Starts
Wed, Apr 22 6:00 AM MST
Wind
0 to 15 mph SW
Destination
85°F
Wednesday

Mostly Sunny

Starts
Wed, Apr 22 6:00 AM MST
Wind
10 to 15 mph WNW

Driving Route Map

The map below follows the saved road route between Surprise and Somerton.

Turn-by-Turn Driving Directions

Step-by-step road directions between Surprise and Somerton.

  1. 1

    Start on North Nash Street

    1464 ft · 54 sec · North Nash Street

  2. 2

    At the end of the road, turn left onto West Santa Fe Drive

    1322 ft · 37 sec · West Santa Fe Drive

  3. 3

    Turn right onto West Greenway Road

    66 m · 7 sec · West Greenway Road

  4. 4

    Turn right onto West Greenway Road

    5.1 mi · 10 min · West Greenway Road

  5. 5

    Turn left onto AZ 303 Loop South

    2116 ft · 54 sec

  6. 6

    Merge slight left onto Bob Stump Memorial Parkway

    10.5 mi · 12 min · Bob Stump Memorial Parkway

  7. 7

    Take the exit slight right toward I 10 West: Los Angeles

    1 mi · 2 min

  8. 8

    Merge slight left onto Pearl Harbor Memorial Highway

    10.5 mi · 11 min · Pearl Harbor Memorial Highway

  9. 9

    Take the exit slight right toward AZ 85: Yuma, San Diego

    1.1 mi · 2 min

  10. 10

    Continue on South Oglesby Road

    3.6 mi · 5 min · South Oglesby Road

  11. 11

    Continue on Gila Bend-Buckeye Highway

    1.6 km · 2 min · Gila Bend-Buckeye Highway

  12. 12

    Continue on Arizona State Highway 85

    28.1 mi · 33 min · Arizona State Highway 85

  13. 13

    Take the exit slight right toward AZ-85 South: Gila Bend

    3011 ft · 1 min · Gila Bend-Buckeye Highway

  14. 14

    Continue on Arizona State Highway 85

    1775 ft · 43 sec · Arizona State Highway 85

  15. 15

    Continue on East Pima Street

    2.4 mi · 5 min · East Pima Street

  16. 16

    Take the exit slight right toward I 8 West: San Diego

    1.1 km · 2 min

  17. 17

    Merge slight left onto Blue Star Memorial Highway

    106.8 mi · 1 hr 49 min · Blue Star Memorial Highway

  18. 18

    Take the exit slight right toward AZ 195: Araby Road, San Luis

    1661 ft · 41 sec

  19. 19

    Keep slight left to continue on AZ 195: Araby Road, San Luis

    81 m · 8 sec

  20. 20

    Enter the roundabout and take exit 3 toward South Araby Road

    82 m · 4 sec · South Araby Road

  21. 21

    Exit the roundabout onto South Araby Road

    723 ft · 9 sec · South Araby Road

  22. 22

    Enter the roundabout and take exit 2 toward Robert A. Vaughan Expressway

    57 m · 3 sec · South Araby Road

  23. 23

    Exit the rotary onto South Araby Road

    2385 ft · 35 sec · South Araby Road

  24. 24

    Turn right onto East 32nd Street

    5.8 mi · 9 min · East 32nd Street

  25. 25

    Turn left onto West 32nd Street

    1.7 mi · 3 min · West 32nd Street

  26. 26

    Turn left onto South Avenue B

    4 mi · 5 min · South Avenue B

  27. 27

    Continue on San Luis–Yuma–Quartzsite Highway

    1.3 mi · 2 min · San Luis–Yuma–Quartzsite Highway

  28. 28

    Continue on West County 16th Street

    1.2 km · 50 sec · West County 16th Street

  29. 29

    Continue on East Main Street

    1.7 mi · 2 min · East Main Street

  30. 30

    Turn left onto South Musgrove Avenue

    113 m · 18 sec · South Musgrove Avenue

  31. 31

    Turn right onto East Cano Street

    112 m · 18 sec · East Cano Street

  32. 32

    Turn right onto South Somerton Avenue

    93 m · 6 sec · South Somerton Avenue

  33. 33

    Arrive at your destination

    0 m · 1 sec · South Somerton Avenue

Car Route Details

A richer read on the saved driving route between Surprise and Somerton.

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
33 steps
14 turns on the saved route
Ramps & Exits
12
3 merges, 9 ramps or exits
Navigation Density
17.4 / 100 mi
Decision points by distance
Main Roads
Blue Star Memorial Highway
107 mi · 56%
Arizona State Highway 85
28.5 mi · 15%
Pearl Harbor Memorial Highway
10.5 mi · 6%
Bob Stump Memorial Parkway
10.5 mi · 6%
East 32nd Street
5.85 mi · 3%
West Greenway Road
5.12 mi · 3%
Longest Stretch

Blue Star Memorial Highway

Merge slight left onto Blue Star Memorial Highway

107 mi · 01h 49m

Route Summary

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

Trip Read

A longer out-and-back drive

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

Drive Time
03h 40m
Long day trip
Same-Day Return
07h 22m
Round-trip wheel time
Road vs Air
+34.1 mi
155 mi direct line
Halfway Stop
Gila Bend
01h 50m from Surprise
Leave By
9:38 AM MST
Early departure recommended
Weather Watch

Mostly Sunny leaving Surprise and Mostly Sunny near Somerton.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Surprise to Somerton?

The road trip is about 189.1 miles (304.4 km) and usually takes 03h 40m in normal driving conditions.

Is this a same-day trip or an overnight route?

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

What is the halfway point on this route?

Gila Bend is a useful midpoint, sitting about 94.5 miles from Surprise and 94.6 miles from Somerton.

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

The direct path is about 155 miles (249.4 km), while the road route adds roughly 34.1 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 8:00 AM MST. If you want a more comfortable same-day return, try to leave by 9:38 AM MST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $33.07 one way or $66.15 round trip. Estimated CO2 is about 59.4 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Surprise and Mostly Sunny near Somerton.

Stop Ideas Near Gila Bend

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

Mid-route Guidance
Local place coverage is thin around Gila Bend, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Gila Bend.

RAIL

Maricopa

64 mi away
19427 N. John Wayne Parkway
BUS

Phoenix (Greyhound), Arizona

83 mi away
2115 East Buckeye Road
BUS

Phoenix (Airport), Arizona

85 mi away
3400 East Sky Harbor Blvd.
BUS

Phoenix (Metro Center Transit Station), Arizona

88 mi away
9617 North Metro Parkway West

Flight Path Map

This map shows the direct air route between Surprise and Somerton. Straight-line distance: 154.98 mi (249.41 km).

Surprise

#1 Surprise

The seventh most populous city in Arizona.

Population147,965
Coordinates33.6305900, -112.3332200
Altitude358
CountryUnited States
Somerton

#2 Somerton

City in Arizona, United States

Population16,716
Coordinates32.5964400, -114.7096800
Altitude32
CountryUnited States
Start: Surprise (-112.33322, 33.63059)
End: Somerton (-114.70968, 32.59644)

Estimated Travel Time

Distance: 304 km by road

SpeedTime
30 mph (48.3 km/h)06h 18m
40 mph (64.37 km/h)04h 43m
50 mph (80.47 km/h)03h 47m
60 mph (96.56 km/h)03h 09m
70 mph (112.65 km/h)02h 42m
80 mph (129 km/h)02h 21m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
6.68 gal
25.27 L · about $33.07
Round trip
$66.15
13.36 gal · 50.54 L
Estimated CO2
59.4 kg one way
Round trip: 118.7 kg / 262 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.95 $33.07 $66.15
Mid-grade $5.34 $35.66 $71.32
Premium $5.57 $37.18 $74.36
Diesel $6.37 $42.52 $85.05

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 Arizona · Apr 23, 2026

There is no time difference between Surprise and Somerton. The current time is 21:35:04.

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.