Gretna ofrece un entorno amigable para los peatones, especialmente en el centro de la ciudad, donde el diseño urbano compacto y de baja escala hace que caminar sea una opción accesible. Las aceras y los caminos peatonales están presentes, lo que facilita el movimiento entre las empresas locales y las atracciones. Sin embargo, la accesibilidad general para peatones puede variar según el vecindario, ya que algunas áreas podrían beneficiarse de infraestructura peatonal adicional. El clima subtropical de la región, con veranos calurosos e inviernos suaves, también puede influir en la comodidad al caminar, especialmente durante el pico de calor del verano. Para distancias cortas y para explorar el centro histórico, caminar puede ser una manera práctica y agradable de trasladarse.

Biking in Gretna is supported by some infrastructure, including bike lanes and paths, making it possible to navigate parts of the city by bicycle. The relatively compact layout of the area can make biking a practical way to reach local destinations. However, factors such as the availability of bike-friendly routes and the overall connectivity of the infrastructure may vary by location. Riders should also consider the weather, as heat and humidity can impact comfort during longer rides.

Public transportation in Gretna includes bus services operated by the local transit authority, providing connections to nearby areas like New Orleans. Bus stops are conveniently located, making it relatively easy to access key destinations. The infrastructure supports regular routes, such as the W8 Terrytown line, which connects Gretna to surrounding neighborhoods. While buses are a practical option for getting around, the ease of use may depend on the specific route and schedule. The flat terrain of the area generally supports comfortable travel by public transit, though weather conditions could occasionally impact convenience.