| Darien to Blue Island (Illinois) | 16.66 mi (26.80 km) |
| Darien to Blue Springs (Missouri) | 380.96 mi (613.10 km) |
| Darien to Bluffdale (Utah) | 1,246.16 mi (2,005.50 km) |
| Darien to Bluffton (Indiana) | 161.53 mi (259.96 km) |
| Darien to Bluffton (South Carolina) | 764.28 mi (1,229.98 km) |
| Darien to Blythe (California) | 1,553.10 mi (2,499.48 km) |
| Darien to Blytheville (Arkansas) | 414.70 mi (667.40 km) |
| Darien to Boca Raton (Florida) | 1,152.33 mi (1,854.49 km) |
| Darien to Boerne (Texas) | 1,020.86 mi (1,642.92 km) |
| Darien to Bogalusa (Louisiana) | 764.67 mi (1,230.61 km) |
| Darien to Boiling Springs (South Carolina) | 565.35 mi (909.84 km) |
| Darien to Boise (Idaho) | 1,433.79 mi (2,307.47 km) |
| Darien to Bolingbrook (Illinois) | 7.25 mi (11.66 km) |
| Darien to Bolivar (Missouri) | 406.44 mi (654.09 km) |
| Darien to Bon Air (Virginia) | 625.62 mi (1,006.84 km) |
