Distance between cities › USA › Missouri › Saint James, MO › Distance from Saint James to Romulus Book Hotels

Distance from Saint James, MO to Romulus, MI

Distance

603 mi

Time

11 hours 32 mins

Gas Cost

$56 - $109

There are 522.87 miles from Saint James to Romulus in northeast direction and 603 miles (970.43 kilometers) by car, following the I-70 route.

Saint James and Romulus are 11 hours 32 mins far apart, if you drive non-stop .

This is the fastest route from Saint James, MO to Romulus, MI.

Please note the time difference between Saint James, MO and Romulus, MI is 1 hour. The current time in Saint James is 3:31 pm and the current time in Romulus is 4:31 pm.

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Lowest Price Rental Cars in Saint James, MO

Planning on renting a car to go from Saint James, MO to Romulus, MI? Here there are some offers to rent a car in Saint James, MO

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Saint James »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 24.21 gallons of gas to cover the route between Saint James, MO and Romulus, MI.

The estimated cost of gas to go from Saint James to Romulus is $78.98.

During the route, an average car will release 474.38 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 Saint James, MO and Romulus, MI

If you want to meet halfway between Saint James, MO and Romulus, MI or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 39.528494 and -86.870486, or 39º 31' 42.5784" N, 86º 52' 13.7496" W. This location is 301.45 miles away from Saint James, MO and Romulus, MI and it would take approximately 5 hours 46 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Putnamville, IN, situated 298 miles from Saint James, MO and 312 miles from Romulus, MI. It would take 5 hours 33 mins to go from Saint James to Putnamville and 6 hours 11 mins to go from Romulus to Putnamville.