Honolulu shines as a walkable city, especially in areas like Waikiki and downtown, where many attractions, eateries, and essential services are conveniently close. The compact layout of these neighborhoods allows travelers to explore and manage errands on foot easily. Sidewalks are generally well-kept, providing a safe walking environment. Though a vehicle can be beneficial for exploring the broader island, daily life in Honolulu does not necessitate it for a traveler.

Honolulu's public transportation is robust, centered around 'TheBus' system, which offers extensive coverage across Oahu. It's a reliable mode of transport for reaching popular spots. The inclusion of the HOLO card system simplifies fare payment, enhancing ease of use. While it may not match the speed of private vehicles, it remains a strong option for those who wish to avoid car rental.

Biking in Honolulu is feasible and increasingly popular thanks to a developing network of bike lanes and paths. The city has invested in cycling infrastructure, and Biki, the local bike-share service, adds to the accessibility. Despite some areas experiencing heavy traffic, which can deter bikers, dedicated facilities and scenic routes offer enjoyable and practical cycling opportunities. However, travelers should be aware of restrictions such as the ban on sidewalk biking in business districts.