That's about 0.72 AU.
5.5 light hours is about 40 astronomical units (AU)
1 AU (astronomical unit) is approximately equal to 8.3 light minutes. This is the average distance from the Earth to the Sun.
About 81/3 .
Betelgeuse is 40,473,416.93376 AU' (Astronomical Units) from Earth.
63,241.14276 AU
1 light year = 63 239.6717 Astronomical Units
16 light years is 1,011,834.75 AU (Astronomical Units).
5.5 light years equates to 347,818.194 AU (Astronomical Units).
There are approximently 63,239.6717 Astronomical Units (AU) in a Light-year (LY).
I'm pretty sure Algol is 105 light years away.
9.5 Astronomical Units = 1.421181 × 1014 centimeters
9.54 astronomical units = 1,427,163,686 kilometers