Change the Given Quantity to the Indicated Unit $340 \mathrm{mi} \approx \ldots \mathrm{km}$

Multiple Choice

Change the given quantity to the indicated unit. Round the answer to the nearest tenth of the unit if necessary.
- $340 \mathrm{mi} \approx \ldots \mathrm{km}$

A) $321.6 \mathrm{~km}$
B) $211.1 \mathrm{~km}$
C) $360.4 \mathrm{~km}$
D) $544.0 \mathrm{~km}$