[philman_36]

Then how about this...Hyper Velocity Projectile Range. From the BAE product brochure (2), here are some projected ranges from various weapons.
Mk 45 40+ nm
AGS 70 nm
155 mm Tube Artillery 43 nm
EM Railgun 100 nm

[kosciusko51]

Ah, it is guided, not ballistic, so that its trajectory can include level flight.