Single-mode fiber optic cables are more suitable for long-distance, high-speed transmission than multimode fiber optics. For most applications, the maximum distance of a single-mode cable is around 160 kilometers. However, the dispersion-compensating fibers can support more than. In multimode fibers, the different path lengths taken by the light can also contribute to dispersion. Single mode fiber can transmit light signals over 100+ kilometers without amplification, making it ideal for long distance communication, campus backbones, and metropolitan area. Single-mode fiber (SMF): Uses a single light path, enabling it to transmit data over longer distances with less signal loss. The differences are well known in theory, but real-world. Fiber optic cable can be run anywhere from 300 meters up to 80 kilometers (roughly 50 miles) depending on the cable type, transceiver used, and network standard.