The calculated distance (air line) between Guilers and Saint-Martin-des-Champs is approximately 34 miles respectively 55 kilometers.
By car or train, the actual journey to Saint-Martin-des-Champs is certainly longer, as only the direct route (as the crow flies) between Guilers and Saint-Martin-des-Champs has been calculated here.
Air line (approximately)
55 kilometers
30 nautical miles