The calculated distance (air line) between Pfäffikon / Pfäffikon (Dorfkern) and Genève is approximately 149 miles respectively 239 kilometers.
By car or train, the actual journey to Genève is certainly longer, as only the direct route (as the crow flies) between Pfäffikon / Pfäffikon (Dorfkern) and Genève has been calculated here.
Air line (approximately)
239 kilometers
129 nautical miles