Larger annulenes have bond-length alternation and were among the molecules studied by Tsuji et al. While small annulenes may distort due to the proximity of their hydrogens, [18]annulene has a stable planar structure. Even in this big ring, we can select the shortest ortho-like connection, and still the current will predominantly take the long way around the ring. Unfortunately, the ring diameter is too big to achieve strong enhancement of the magnetic field inside the ring. In combination with the relatively low current, again due to the size of the ring and the bond-length alternation, the magnetic field is in the µT range.