ΔE 5.8, very close: most people won’t see a difference side by side. US Earth Red is a little darker, more muted than Battle of Marathon.
Yes, for most jobs. Very close match (ΔE 6). US Earth Red is a little darker, more muted than Battle of Marathon.
The same difference applies the other way round: Battle of Marathon is a little lighter, more saturated.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See Battle of Marathon on the colour wheel See US Earth Red on the colour wheel
All matches: Battle of Marathon equivalents · US Earth Red equivalents