If you're flying into Sinop airport, the closest Alamo car rental location to you is Rodovia Rodovia Dos Pioneiros, and they can be reached on +55 800 979 2020.
No, Alamo does not currently offer pickup services from Sinop airport (OPS). However, their nearest location is Rodovia Rodovia Dos Pioneiros which is approx. 0.48mi away from Sinop airport and accessible by public transport.