3 march speed types: (A) Basic march speed applies everywhere; (B) March Speed to Monsters (also speeds the return trip, even as rally owner/participant); (C) March Speed to Resource Tile. Items: 'March Speed Increase' +20% for 1hr (1,250 Gems, buyable from Store); paid Adv (+40%)/Super (+40-60%) versions via IAP; single-march speed items (+30-50%, stackable) let you strike distant enemies almost instantly. (A) Basic levers: General Leadership (level/enhance/cultivate/dragon), skillbook Lv1-4 (+10-25%), specific generals (Seleucus I +35%, Huo Qubing -20% march time), Covenant (up to +155% applying to ALL generals if multiple covenant generals are maxed), Research (Adv Compass up to +70%, Raid/Adv Raid up to +100% combined), Monarch Gear Courage Horn (Lv6 +33%), Monarch Talent Lv2 pick, Spiritual Beast Thunder Scorpion (up to +30%), 4-beast March Speed Seals (up to +120% combined at Lv20), Dragon (Fasolt +18.8% at Lv40 for 8hrs, Fafnir up to +40% at Lv20 for that general only), Rank (Knight +5% up to Regent +70%), VIP13-25 (+10% to +50%), Art Hall Discobolus (+10% to +60%), Alliance Science donation buff, Victory Column Lv3-5 (requires Keep 35; -10/-20/-30% march time), Coronation Fountain Zeus's Might (up to ~+13%), Champion Josephine/Nefertiti intimacy (up to +60% each, +120% both maxed). (B) March Speed to Monsters levers (separate, larger buffs): skillbook Lv1-4 (+15-45%), Research Tracing/Master Tracker (up to +150% combined), Monarch Gear Justice Horn (Lv6 +66%), 7-beast Seals (up to +296% combined at Lv20), VIP7-25 (+30% to +150%), Art Hall Discobolus (+15% to +120%), Civilization Treasure Tutankhamun's Dagger (Lv1 +10% up to Lv15 +350%), paid subscriptions (Alliance Monthly Card +40%/$19.99/30d, Super Value Privilege Card +15%/$49.99/365d), event-only Blessing of Flame/Pan/Wind (+50%/$4.99/1day), Coronation Fountain Poseidon's Command (up to +30%). (C) To Resource Tile: Research Gathering March Speed (up to +10%) and Adv Gathering March Speed.
Original research source: Evony Guide Wiki