Okla. Stat. tit. 8, § 186

Any cemetery in this state consisting of ten or more grave spaces, lots, crypts or niches, including but not limited to, locations on property held in fee title, by leasehold, estate or easement by the state, any county, municipality, district, religious or fraternal organization, corporation, nonprofit corporation, partnership, association, individual or trust or charitable or eleemosynary institution, shall be allowed sufficient ingress to and egress from such cemetery by allowing the establishment of streets, roads or other public rights-of-way for such purpose. Such entity shall further allow sufficient ingress to and egress from any grave space, lot, crypt or niche within the cemetery by allowing sufficient access to any portion of the cemetery for such purpose.