The other option is a wire mold type channel that mounts on top of the wall, paint to match and it can become hard to see, this type of channel is sold at the big box stores. If you are only going a short distance (`2 feet) you might get away with cutting two holes and fishing the wires between these. NOTE: I do not believe this is acceptable (legal) for 120 volt Romex wiring, but works well for audio, cable , and HDMI type cables. As for the installation, I think our Gardenia (2013) has foam sheet insulation and fishing the wires would be difficult to impossible.
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Pennsylvania, for 60+ years, most recently, Allentown, now TV. 
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