| Ada to Hormigueros (Puerto Rico) | 5,197.66 mi (8,364.83 km) |
| Ada to Horn Lake (Mississippi) | 5,366.46 mi (8,636.48 km) |
| Ada to Hot Springs (Arkansas) | 5,502.98 mi (8,856.20 km) |
| Ada to Hot Springs Village (Arkansas) | 5,491.03 mi (8,836.96 km) |
| Ada to Houma (Louisiana) | 5,669.52 mi (9,124.21 km) |
| Ada to Houston (Texas) | 5,839.99 mi (9,398.56 km) |
| Ada to Howard (Wisconsin) | 4,812.24 mi (7,744.56 km) |
| Ada to Huber Heights (Ohio) | 4,896.38 mi (7,879.96 km) |
| Ada to Hudson (Florida) | 5,403.57 mi (8,696.21 km) |
| Ada to Hudson (Ohio) | 4,729.00 mi (7,610.58 km) |
| Ada to Hudson (Wisconsin) | 4,950.01 mi (7,966.27 km) |
| Ada to Hueytown (Alabama) | 5,327.03 mi (8,573.02 km) |
| Ada to Hugo (Minnesota) | 4,947.18 mi (7,961.72 km) |
| Ada to Humacao (Puerto Rico) | 5,135.73 mi (8,265.15 km) |
| Ada to Humble (Texas) | 5,824.30 mi (9,373.31 km) |
