The calculated distance (air line) between Zürich (Kreis 3) / Friesenberg and Bulle is approximately 85 miles respectively 138 kilometers.
By car or train, the actual journey to Bulle is certainly longer, as only the direct route (as the crow flies) between Zürich (Kreis 3) / Friesenberg and Bulle has been calculated here.
Air line (approximately)
138 kilometers
74 nautical miles