Distance between cities › USA › Virginia › Springfield, VA › Distance from Springfield to Mount Sidney Book Hotels

Distance from Springfield, VA to Mount Sidney, VA

Distance

143 mi

Time

2 hours 43 mins

Gas Cost

$14 - $26

There are 102.61 miles from Springfield to Mount Sidney in southwest direction and 143 miles (230.14 kilometers) by car, following the I-66 route.

Springfield and Mount Sidney are 2 hours 43 mins far apart, if you drive non-stop .

This is the fastest route from Springfield, VA to Mount Sidney, VA. The halfway point is Reliance, VA.

Springfield, VA and Mount Sidney, VA are in the same time zone (EDT). Current time in both locations is 9:03 pm.

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Lowest Price Rental Cars in Springfield, VA

Planning on renting a car to go from Springfield, VA to Mount Sidney, VA? Here there are some offers to rent a car in Springfield, VA

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Springfield »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 5.72 gallons of gas to cover the route between Springfield, VA and Mount Sidney, VA.

The estimated cost of gas to go from Springfield to Mount Sidney is $19.01.

During the route, an average car will release 112.16 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 $3.32 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Springfield, VA and Mount Sidney, VA

If you want to meet halfway between Springfield, VA and Mount Sidney, VA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.978680 and -78.225006, or 38º 58' 43.248" N, 78º 13' 30.0216" W. This location is 71.27 miles away from Springfield, VA and Mount Sidney, VA and it would take approximately 1 hour 21 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Reliance, VA, situated 70 miles from Springfield, VA and 72 miles from Mount Sidney, VA. It would take 1 hour 18 mins to go from Springfield to Reliance and 1 hour 9 mins to go from Mount Sidney to Reliance.