1. By the shortest and most direct route
   "it's 10 miles as the crow flies"

Encyclopedia: As the crow flies

• black-stem spleenwort
• black-stemmed spleenwort
• black-tailed deer
• black-tie
• black-winged stilt
• blackamoor
• blackback flounder
• blackball
• Blackbeard
• blackbeetle
• blackberry
• blackberry bush
• blackberry-lily
• blackbird
• blackboard
• blackboard eraser
• blackbody
• blackbody radiation
• blackbuck
• Blackburn
• Blackburnian warbler
• blackcap
• blackcap raspberry
• blackcock
• blackdamp