Distance between cities › USA › Alabama › Theodore, AL › Distance from Theodore to Ralph Book Hotels

Distance from Theodore, AL to Ralph, SD

Distance

1,642 mi

Time

1 day 7 hours

Gas Cost

$153 - $298

There are 1,322.54 miles from Theodore to Ralph in northwest direction and 1,642 miles (2,642.54 kilometers) by car, following the I-29 and US-6 route.

Theodore and Ralph are 1 day 7 hours far apart, if you drive non-stop .

This is the fastest route from Theodore, AL to Ralph, SD.

Please note the time difference between Theodore, AL and Ralph, SD is 1 hour. The current time in Theodore is 8:55 am and the current time in Ralph is 7:55 am.

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Lowest Price Rental Cars in Theodore, AL

Planning on renting a car to go from Theodore, AL to Ralph, SD? Here there are some offers to rent a car in Theodore, AL

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Theodore »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 65.94 gallons of gas to cover the route between Theodore, AL and Ralph, SD.

The estimated cost of gas to go from Theodore to Ralph is $215.09.

During the route, an average car will release 1,291.88 pounds of CO₂ to the atmosphere. The carbon footprint would be 0.79 pounds of CO₂ per mile.

Average USA gas price used for calculation is $3.26 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Theodore, AL and Ralph, SD

If you want to meet halfway between Theodore, AL and Ralph, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 39.313233 and -94.689173, or 39º 18' 47.6388" N, 94º 41' 21.0228" W. This location is 820.94 miles away from Theodore, AL and Ralph, SD and it would take approximately 15 hours 54 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Ferrelview, MO, situated 862 miles from Theodore, AL and 787 miles from Ralph, SD. It would take 17 hours to go from Theodore to Ferrelview and 14 hours 51 mins to go from Ralph to Ferrelview.

Major City Closest to Halfway Point

The major city closest to the halfway point between Theodore, AL and Ralph, SD is Kansas City, MO, situated 839 miles from Theodore, AL and 803 miles from Ralph, SD. It would take 16 hours 37 mins to go from Theodore to Kansas City and 15 hours 13 mins to go from Ralph to Kansas City.