The fastest and most efficient way to navigate Japan is the Shinkansen (Bullet Train). Reaching speeds of up to 320 km/h (199 mph), the Shinkansen connects major cities like Tokyo and Osaka in roughly 2.5 hours. For 2026 travelers, the Shinkansen remains superior to flying because stations are located in city centers, eliminating the 1–2 hours needed for airport transit and security. For even greater speed on specific long-distance routes (e.g., Tokyo to Sapporo or Okinawa), domestic flights via JAL or ANA are faster in "air time," but often slower "door-to-door." Within major metropolitan areas like Tokyo or Kyoto, the extensive subway and JR urban rail networks are the fastest options, bypassing all road traffic. For the ultimate speed experience, Japan is currently finalizing segments of the Maglev (Chuo Shinkansen), which is expected to eventually halve the travel time between Tokyo and Nagoya to just 40 minutes.