| Ada to Hanahan (South Carolina) | 5,067.08 mi (8,154.67 km) |
| Ada to Hanford (California) | 6,235.14 mi (10,034.48 km) |
| Ada to Hannibal (Missouri) | 5,172.10 mi (8,323.69 km) |
| Ada to Hanover (Pennsylvania) | 4,620.93 mi (7,436.66 km) |
| Ada to Hanover Park (Illinois) | 4,941.43 mi (7,952.46 km) |
| Ada to Happy Valley (Oregon) | 5,734.52 mi (9,228.81 km) |
| Ada to Harker Heights (Texas) | 5,855.61 mi (9,423.69 km) |
| Ada to Harlingen (Texas) | 6,121.94 mi (9,852.31 km) |
| Ada to Harper Woods (Michigan) | 4,728.69 mi (7,610.09 km) |
| Ada to Harrisburg (North Carolina) | 4,979.05 mi (8,013.00 km) |
| Ada to Harrisburg (Pennsylvania) | 4,595.91 mi (7,396.41 km) |
| Ada to Harrison (Arkansas) | 5,413.70 mi (8,712.51 km) |
| Ada to Harrison (New Jersey) | 4,465.66 mi (7,186.78 km) |
| Ada to Harrison (New York) | 4,435.84 mi (7,138.80 km) |
| Ada to Harrison (Ohio) | 4,951.09 mi (7,968.01 km) |
