How to make proper copper trace transmission line calculations using wCalc?
I suspect it's a typo on Oli's part. When I put the parameters into the web-based calculator, my values match Oli's, except for the \$Z_0\$. You can see how 177 is a plausible typo for 117.

Your R is considerably lower because you 1) used a more accurate value for the resistivity and 2) analyzed at 100 MHz. You'll find that the characteristic impedance is not so sensitive to some of these other parameters (i.e. ones other than the dimensions and dielectric constant). The other parameters are more for calculating losses. Of course you still need to be careful because e.g. Er is generally not constant with frequency and this calculator assumes you take that into account "by hand".