Distance between cities › USA › California › Oceanside, CA › Distance from Oceanside to Duncan Book Hotels

Distance from Oceanside, CA to Duncan, SC

Distance

2,329 mi

Time

1 day 16 hours

Gas Cost

$219 - $426

There are 2,009.84 miles from Oceanside to Duncan in east direction and 2,329 miles (3,748.16 kilometers) by car, following the I-20 route.

Oceanside and Duncan are 1 day 16 hours far apart, if you drive non-stop .

This is the fastest route from Oceanside, CA to Duncan, SC.

Please note the time difference between Oceanside, CA and Duncan, SC is 3 hours. The current time in Oceanside is 12:28 am and the current time in Duncan is 3:28 am.

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Lowest Price Rental Cars in Oceanside, CA

Planning on renting a car to go from Oceanside, CA to Duncan, SC? Here there are some offers to rent a car in Oceanside, CA

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Oceanside »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 93.53 gallons of gas to cover the route between Oceanside, CA and Duncan, SC.

The estimated cost of gas to go from Oceanside to Duncan is $307.79.

During the route, an average car will release 1,832.35 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 $3.29 per gallon of regular gas. Price last updated on March 13, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Oceanside, CA and Duncan, SC

If you want to meet halfway between Oceanside, CA and Duncan, SC or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 32.485048 and -100.20148, or 32º 29' 6.1728" N, 100º 12' 5.328" W. This location is 1,164.39 miles away from Oceanside, CA and Duncan, SC and it would take approximately 20 hours 28 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Trent, TX, situated 1,180 miles from Oceanside, CA and 1,149 miles from Duncan, SC. It would take 20 hours 14 mins to go from Oceanside to Trent and 20 hours 44 mins to go from Duncan to Trent.

Major City Closest to Halfway Point

The major city closest to the halfway point between Oceanside, CA and Duncan, SC is Abilene, TX, situated 1,203 miles from Oceanside, CA and 1,124 miles from Duncan, SC. It would take 20 hours 41 mins to go from Oceanside to Abilene and 20 hours 21 mins to go from Duncan to Abilene.