Users' routes
- •Clayton - Newnan
- •Castle Rock - Portland
- •Carlsbad - Travelers Rest
- •Carlsbad - Williams
- •Conroe - Fresno
- •Cedar Rapids - Chicago
- •Chattanooga - Loves Park
- •Clarkesville - Lula
- •Clarksburg - Fairmont
- •Calpine - San Francisco
- •Cameron - Happy Jack
- •Clermont - Orlando
- •Cleveland - New York
- •Cleveland - Dallas
- •Chesterfield - Ballwin
- •Columbia - Springfield
- •Cupertino - St. Louis
- •Columbia - Augusta
- •Cheshire - Marine Corps Air Station Cherry Point
- •Cave Creek - Salt Lake City
- •Cincinnati - Covington
- •Chicago - Niagara Falls
- •Chehalis - Centralia
- •Cornelia - Alto
- •Cincinnati - Rockford
- •Chapel Hill - Asheville
- •Charlotte - Accomac
- •Charlotte - Matthews
- •Crescent City - Morgan Hill
- •Crescent City - Seattle
- •Crescent City - Lynnwood
- •Clermont - Ponte Vedra Beach
- •Charlottetown - Conway
- •Conway - Boston
- •Charlottetown - Boston
- •Chicago - Columbia
- •Cincinnati - Harrison
- •Cincinnati - New Richmond
- •Cincinnati - Georgetown
- •Chillicothe - White Sulphur Springs
- •Coalinga - Red Bluff
- •Connellsville - Vandergrift
- •Chepstow - Clovelly
- •Columbus - Phoenix
- •Cortland - Oswego
- •Cortland - Pulaski
- •Coldwater - Hernando
- •Colonie - Tonawanda
- •Colonie - Levittown
- •Colonie - Albany
- •Charlotte - Concord
- •Columbus - Austin
- •Cerritos - Pleasanton
- •Camdenton - Sedalia
- •Canyon - Olathe
- •Canyon - Bryan
- •Clarksdale - Lula
- •Charleston - Dover
- •Chelsea - Barre
- •Campbell River - Delta
- •Cambridge - Wheeling
- •Chico - Spanish Fork
- •Chicago - New York
- •Carson City - Stuart
- •Cincinnati - West Columbia
- •Charleston - St. Augustine
- •Commerce - Long Beach
- •Chillicothe - Erie
- •Charleston - Loxahatchee
- •Charleston - North Charleston
- •Clewiston - LaBelle
- •Collinsville - Sioux City
- •Cockeysville - Florence
- •Chicago - Vancouver
- •Caddo - Ardmore
- •Calgary - Helena
- •Calgary - Butte
- •Chicago - San Diego
- •Catonsville - Wilmington
- •Cleveland - Elkhart
- •Cleveland - La Crosse
- •Cleveland - Joliet
- •Chewelah - Lindon
- •Canton - Grand Rapids
- •Cranbury Township - Yardley
- •Charlotte - Charleston
- •Charlotte - Owasso
- •Charlotte - Highlands
- •Colorado Springs - Aspen
- •Córdoba - Toledo
- •Chateaugay - Malone
- •Cashmere - Plummer
- •Crossville - Peachtree City
- •Clifton - Ridgewood
- •Cape Town - Los Angeles
- •Columbus - Leesburg
- •Center City - Grand Forks
- •Cocoa Beach - Kissimmee
- •Cullman - Hanceville
- •Cheektowaga - Wilmington
