Air Miles Calculator

Distance between Rock Springs, WY (RKS) and Modesto, CA (MOD)

Flight distance from Rock Springs to Modesto (Southwest Wyoming Regional Airport – Modesto City–County Airport) is 690 miles / 1111 kilometers / 600 nautical miles. Estimated flight time is 1 hour 48 minutes.

Driving distance from Rock Springs (RKS) to Modesto (MOD) is 917 miles / 1475 kilometers and travel time by car is about 14 hours 51 minutes.

Map of flight path and driving directions from Rock Springs to Modesto.

Shortest flight path between Southwest Wyoming Regional Airport (RKS) and Modesto City–County Airport (MOD).

How far is Modesto from Rock Springs?

There are several ways to calculate distances between Rock Springs and Modesto. Here are two common methods:

Vincenty's formula (applied above)
  • 690.189 miles
  • 1110.752 kilometers
  • 599.758 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 688.914 miles
  • 1108.699 kilometers
  • 598.650 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

Airport information


A Southwest Wyoming Regional Airport
City: Rock Springs, WY
Country: United States Flag of United States
IATA Code: RKS
ICAO Code: KRKS
Coordinates: 41°35′39″N, 109°3′54″W

B Modesto City–County Airport
City: Modesto, CA
Country: United States Flag of United States
IATA Code: MOD
ICAO Code: KMOD
Coordinates: 37°37′32″N, 120°57′14″W

Time difference and current local times

The time difference between Rock Springs and Modesto is 1 hour. Modesto is 1 hour behind Rock Springs.

Time Difference

Rock Springs, WY

 MDT

Modesto, CA

 PDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 123 kg (272 pounds).

Frequent Flyer Miles Calculator

Rock Springs (RKS) → Modesto (MOD).

Distance:
690
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
690

Round trip?