TripIt - TripIt is a travel app that creates a master itinerary to organize all of your plans for your vacation or work trip in one spot.
Everlance - The #1-rated mileage and expense tracking app
Traveler Buddy - Travel Itinerary Management.
Tour - Automatic mileage tracking with iBeacon + Foursquare support
Roadtrippers - The ultimate road trip planner to help you discover extraordinary places, book hotels, and share itineraries all from the map.
MileWiz - Automatic Mileage Tracking